Showing 268 items matching optical
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The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with V.D. Hopper
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of V.D. Hopper in experimental mode (with stop watch and potentiometer). In ink on lower left hand corner : “13” -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with Mr Kakanine
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Mr Kakanine, draughtsman, draawing graphic design plans.In ink on lower left hand corner : “31”. -
Federation University Historical Collection
Instrument - Scientific Instrument, Petrographic Microscope
This microscope was used in the Ballarat Institute of Advanced Education Petrology Laboratory.Optical microscope, petrographic type, with a 4-lens objective turret. Black enamel frame, chrome plated accessories. Liftable frame. Housed in a blonde polished wood case.Reichert Serial Number 275062 Inside storage box "2" in red marker pen. On microscope frame a self-adhesive sticker "Ballarat CAE Geology". Also riveted to base frame a label "Supplied by H.B. Selby & Co Pty Ltd, Australia". Inside carry case door a card giving visual magnifications. On box door "S BOSHMA" in red Dymotype.petrographic microscope, ballarat college of advanced education, petrology laboratory, reichert, selby, microscope -
Federation University Historical Collection
Article - DVD student catalogue, One, 2002
DVD rom in clear plastic case created by University of Ballarat, Bachelor of Visual Arts (Graphic Design / Multimedia) third year, graduating students, 2002. DVD successfully tested on vintage Macintosh G4 with Mac OS 9.2.2 22 Students: Kristian Pechotsch, Josh McGregor, Stuart Murray, Dean Gorell, Mary Thomas, Simon Hunt, Michael Renga, Kristen Retallick, Alana Smyth, Claire Robson, Jarred Rouhan, Stuart Sullivan, Glen McClay, Leigh Ryan, Luke Monssen, Daniel Buckingham, Melissa Price, Rose Kim, Melinda Radojevic, Claire Hards, Dominic Carey, Peta Wallace. A square format case version was also produced (see photos for 29178.2).Optical disc (DVD rom) in clear plastic case. created by University of Ballarat, Bachelor of Visual Arts (Graphic Design / Multimedia) third year, graduating students, 2002.university of ballarat, federation university, graphic design, multimedia, camp street campus, new north, arts academy, kristian pechotsch, josh mcgregor, stuart murray, dean gorell, mary thomas, simon hunt, michael renga, kristen retallick, alana smyth, claire robson, jarred rouhan, stuart sullivan, glen mcclay, leigh ryan, luke monssen, daniel buckingham, melissa price, rose kim, melinda radojevic, claire hards, dominic carey, peta wallace. -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with Director
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing a close up of hands handling equipment, same as in no 127.In ink on lower left hand corner : “14” -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with J.F.G. Darby & W.B. Lasich
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of J.F.G. Darby (Left) & W.B. Lasich (Right) sighting on apparatus(??).In ink on lower left hand corner : “11”. -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with Optical Flat
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing close up of glass optical flat in case. Photographed label reads: “Glass optical flat. Made by Natural Philosophy Laboratory. Melbourne University. Certificate Number 18. Accuracy of surface, flat within .000,001 (unmarked surface). Accuracy of surface, within .000,002 inch (marked) “use other side”. A photograh in Cd red light of the interference fringes of this flat when placed on a standard glass flat is shown above. Initials: [signature]. Tests made by: [VDH signature]. Certificate issued by T.H.L. Date: Feb 19th 1941.In ink on lower left hand corner : “17”. -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with Bob Caldwell
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Bob Caldwell cutting through glass “sandwich” using a diamond saw.In ink on lower left hand corner : “26”. -
Flagstaff Hill Maritime Museum and Village
Machine - Dioptric Apparatus, mid 19th century
Before the introduction of electricity, lighthouses had a clockwork mechanism that caused the lens to rotate with a light source inside that was either powered by Kerosene or Colza oil. The mechanism consisted of a large weight attached by a cable through the centre of the lighthouse to the top where the cable wrapped around a barrel, drum or wheels that controlled the speed of the lights rotation by a clockwork mechanism. The keeper would crank the clockwork mechanism, which would lift the weight ready for the next cycle similar to an old grandfather clock mechanism. Once the weight lifted to its apex at the bottom of the first landing, the keeper would let it fall, which would pull on the cable, which would, in turn, operate a series of gears activating the rotation of the Fresnel optical lens, which would then rotate to create the lighthouse’s unique light speed of rotation characteristic. Creating a specific characteristic required a way to regulate the speed of the rotation, and was important as sailors could identify a particular light by its speed and time between flashes. The weight had to fall at a certain rate to create the proper rotation speed of the lens and a regulator within the mechanism accomplished this. History: From 1851, Chance Brothers became a major lighthouse engineering company, producing optical components, machinery, and other equipment for lighthouses around the world. James Timmins Chance pioneered placing lighthouse lamps inside a cage surrounded by Fresnel lenses to increase the available light output these cages, are known as optics and they revolutionised lighthouse design. Another important innovation from Chance Brothers was the introduction of rotating optics, allowing adjacent lighthouses to be distinguished from each other by the number of times per revolution the light flashes. The noted English physicist and engineer, John Hopkins invented this system while employed at Chance Brothers. Chance Brothers and Company was a glass works and originally based in Spon Lane, Smethwick, West Midlands England. The company became a leading glass manufacturer and a pioneer of British glass making technology. The Chance family originated in Bromsgrove as farmers and craftsmen before setting up a business in Smethwick near Birmingham in 1824. They took advantage of the skilled workers, canals and many other industrial advances taking place in the West Midlands at the time. Robert Lucas Chance (1782–1865), known as 'Lucas', bought the British Crown Glass Company's works in Spon Lane in 1824. The company specialised in making crown window glass, the company ran into difficulty and its survival was guaranteed in 1832 by investment from Chance's brother, William (1788 – 1856). William owned an iron factoring business in Great Charles Street, Birmingham. After a previous partnership that Lucas had dissolved in 1836, Lucas and William Chance became partners in the business which was renamed, Chance Brothers and Company. Chance Brothers invented many innovative processes and became known as the greatest glass manufacturer in Britain. In 1848 under the supervision of Georges Bontemps, a French glass maker from Choosy-le-Roi, a new plant was set up to manufacture crown and flint glass for lighthouse optics, telescopes and cameras. Bontemps agreed to share his processes that up to then had been secret with the Chance Brothers and stayed in England to collaborate with them for six years. In 1900 a baronetcy was created for James Timmins Chance (1814–1902), a grandson of William Chance, who had started the family business in 1771 with his brother Robert. Roberts grandson, James became head of Chance Brothers until his retirement in 1889 when the company became a public company and its name changed to Chance Brothers & Co. Ltd. Additional information: Lighthouses are equipped with unique light characteristic or flashing pattern that sailors can use to identify specific lighthouses during the night. Lighthouses can achieve distinctive light characteristics in a few different ways. A lighthouse can flash, which is when brief periods of light interrupt longer moments of darkness. The light can occult, which is when brief periods of darkness interrupt longer moments of light. The light can be fixed, which is when the light never goes dark. A lighthouse can use a combination of flashing, oscillating, or being fixed in a variety of combinations and intervals to create individual light characteristics. It is a common misconception that a lighthouse's light source changes the intensity to create a light characteristic. The light source remains constant and the rotating Fresnel lens creates the various changes in appearance. Some Fresnel lenses have "bulls-eye" panels create beams of light that, when rotated between the light and the observer, make the light appear to flash. Conversely, some lenses have metal panels that, when rotated between the light and the observer, make the light appear to go dark. This Dioptric clockwork apparatus used to turn a lighthouse optical lens is very significant as it is integral to a lighthouses operation, we can also look at the social aspect of lighthouses as being traditionally rich with symbolism and conceptual meanings. Lighthouses illustrate social concepts such as danger, risk, adversity, challenge and vigilance but they also offers guidance, salvation and safety. The glowing lamp reminds sailors that security and home are well within reach, they also symbolize the way forward and help in navigating our way through rough waters not just on the oceans of the world but in our personal lives be it financial, personal, business or spiritual in nature. Nothing else speaks of safety and security in the face of adversity and challenge quite the way a lighthouse does. Revolving dioptric clockwork apparatus used to turn a Fresnel optical lighthouse lens. A cylindrical cast metal pillar and cabinet painted green with 3 glass doors enclosing the top section. Inside the pillar/cabinet is a large clockwork mechanism used to turn and regulate a lighthouse light by means of weights and a chain attached to same. One door has the name "Adams Mare" in metallic dots similar to "Braille" to the inside edge of door frame.shipwrecked-coast, flagstaff-hill, flagstaff-hill-maritime-museum, flagstaff hill, maritime-museum, shipwreck-coast, warrnambool, flagstaff-hill-maritime-village, revolving dioptric mechanism, dioptric mechanism for lighthouse, lighthouse clockwork timing mechanism, acetylene lighthouse light mechanism, 19th century lighthouse mechanism, kerosene light, fresnel lenses, colza oil, chance brothers -
Federation University Historical Collection
Photograph - Digital images, Elise Whetter, Digital photographs of "One" ticket and square format packaging, 2023
Photograph of invitation to third year Graphic Design / Multimedia dinner and portfolio show. The dinner was held at the Ballarat Fine Art Gallery, and show at the university Camp Street Campus. For this student show, Melbourne-based designers were brought to Ballarat via special carriage on a V/Line train to Lydiard Street Station and walked to the new Camp Street Campus.Digital photographs of optical disc (DVD rom) in clear plastic case created by University of Ballarat, Bachelor of Visual Arts (Graphic Design / Multimedia) third year, graduating students, 2002.university of ballarat, federation university, graphic design, multimedia, camp street campus, new north, arts academy -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with G. Crickmore
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing Gordon Crickmore using compass on drawing board. Same photo as 267In ink on lower left hand corner : “16”. -
The Ed Muirhead Physics Museum
Photograph, Optical munitions & E.R. Johnson
Black and white photograph of Dick Johnson using a polarimeter. Photo is glued on cardboard backing with red border.Hand written on back: “Optical Munitions E.R. (Dick) Johnson MSc candidate on polarimeter”. Stamped on back: “University of Melbourne School of Physics Melbourne” -
Federation University Historical Collection
Scientific Instument, Bellingham & Stanley Ltd, Michelson Interferometer, c1970
The Michelson Interferometer, sotred in a polished timber carry case. An optical isntrument, incorporating mirrors, lens, and adjusting mechanisms, all mounted on a heavy and solod cast metal base. Instruction manual available. scientific instrument, bellingham and stanley ltd, interferometer -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with G. Armitage
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Geo Armitage testing a monocular (or part of the binocular testing program?). Same apparatus as in no 134. In ink on lower left hand corner : “7”. -
The Ed Muirhead Physics Museum
Optical glass specimen
Glass rectangular slab consisting of 11 glass plates “welded together”. Slab is concave and squashed on top. Base shows two black lines. An early attempt to manufacture bulk optical glass. -
Bendigo Military Museum
Photograph - Equipment used in Map Production at the Army Survey Regiment, 1991
These nine photographs of technical equipment were provided to the Directorate of Survey as input to the 1990-1991 Annual Report. The equipment in Photos .1P and .2P were used to evaluate/validate colour values on printed maps. The equipment in Photo .3P is a daylight film processor. The Optronix 5040 Laser Scanner/Plotter was shown in Photos .4P to .6P. The Print Room’s Map Handling Station in photo .7P provided ergonomic benefits to the Printer Technician and improved despatching productivity. The Optical Disk Archive and Retrieval System (ODARS) equipment in .8P was optical "platter" disk technology for the secure and long term archive storage of large amounts of digital map data. Map data was transferred from large reels of magnetic tape. As most map type (letters and names) generation was done in Automap 2, The ITEK Typesetter shown in photo .9P was close to obsolete in 1991. At this time it was used to generate map type for other RASvy units, contractors and sections still performing manual map production at Army Svy Regt.This is a set of photographs of Army Survey Regiment technical equipment taken in 1991. The photographs were printed on photographic paper and are part of the Army Survey Regiment’s Collection. The photographs were scanned at 300 dpi. .1) - Photo, black & white, 1991, Colour Evaluation Workstation No 1, Lithographic Squadron .2) - Photo, black & white, 1991, Colour Evaluation Workstation No 2, Lithographic Squadron .3) - Photo, black & white, 1991, Daylight film processor, Lithographic Squadron, Daylight Working Contacting Frames in background. .4) - Photo, black & white, 1991, Optronix 5040 Laser Scanner/Plotter, Lithographic Squadron .5) - Photo, black & white, 1991, Optronix 5040 Laser Scanner/Plotter, Lithographic Squadron .6) - Photo, black & white, 1991, Optronix 5040 Laser Scanner/Plotter, Lithographic Squadron .7) - Photo, black & white, 1991, Map Handling Station, Lithographic Squadron .8) - Photo, black & white, 1991, Optical Disk Archive and Retrieval System (ODARS), Cartographic Squadron .10) - Photo, black & white, 1991, Optronix 5040 Laser Scanner/Plotter, Lithographic Squadron .9) - Photo, black & white, 1991, ITEK Typesetter, Cartographic Squadron.1P, .2P, .4P to .10P – equipment description annotated on back .3P - no annotation.royal australian survey corps, rasvy, army survey regiment, army svy regt, fortuna, asr, litho, automap -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with O.M. Panel
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Optical Munitions Panel meeting (September 1943) of 11 members: L to R: Lt. Col. G.H. Adams; G.H. Briggs; Mr (Sr) Richard v.d.R. Woolly; E.O. Hercus; H.J. Frost; Prof. Kerr Grant (S.A.); Prof. T.H. Laby; Harrigan; J.S. Rogers; Prof. A.D. Ross (W.A.); Prof. T. McAuley (Tas)In ink on lower left hand corner : “23” -
Federation University Historical Collection
Instrument - Scientific Instruments, Spectroscope
This item has applications in teaching Physics and Chemistry - obtaining information about the atomic structure of the light-emitting substance. An optical instrument that employed a monochromatic light source, a prism (missing), and viewing lenses mounted in a tube that can be in any radial position with respect to the vertical axis of the prism. House in a polished timber carry box.Manufacturers' and suppliers names stamped on the vernier disc: "Made by W. & J. George Ltd, Birmingham, England" and "For H.B. SELBY & Co, SYDNEY & MELBOURNE. No 266"scientific instruments, surveying, microscope, physics, chemistry, atomic structure, spectroscope -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with R.L. Abbey
Refer to Cat No 141 for full details. Black and white photo shows Ray Abbey looking through telescope of optical spectrometer. Duplicate copy of Cat no 141; in OMP Album Vol 2 #21. In ink on lower left hand corner: “21”. Inscribed on back in pencil: “No. 21 R.L.ABBEY” -
Anglesea and District Historical Society
Camera, Kodak, Eastman Kodak, 1910 Eastman Kodak Co Autotime Folding Camera. No. 3A. Model C, 1908
This Kodak Autotime camera was patented in 1907. The Autotime Scale on the lens reduces the liability of error in exposure as it automatically indicates the proper time and stop opening for subjects under any condition of outdoor photography.Kodak patent May 1907 Automatic Exposure Scale. Rapid Rectilinear Bausch and Lomb Optical Co. Lens: Autotime settings around bottom of lens.camera, kodak, autotime -
Federation University Historical Collection
Instrument - Scientific Instruments, Sartorius Werke, Beam Balance, pre 1940?
Used in the Ballarat School of Mines and Ballarat Institute of Advanced Education Physocs Laboratories. Both are predecessor institutions of Federation University Australia. A "late model" manual beam balance, with mechanically applied milligram masses and optically displayed balance point. Built into a resowood frame cabinet. Complete with: .2) light source .3) transformer. Serial Number 98700scientific instruments, surveying, physics, ballarat school of mines, ballarat institute of advanced education, beam balance, balance -
The Ed Muirhead Physics Museum
Thermopile
Circular metal frame and dials with mixed internal components, on a hinged, hollow cylindrical base.Partially removed label on circular frame: 'NAT. PH[...] [...] / NO. [...]' Partially removed label on base: 'J. H 4' Attached handwritten tag: 'Optical bench / A / Thermopile' thermopile, scientific equipment -
Anglesea and District Historical Society
Camera - Kodak Brownie Starlet, Kodak Australia Pty Ltd, Estimated 1957
This camera has a moulded plastic body; optical direct vision finder; screw and pin flash contacts. This model continued as the "Brownie Bullet II" camera from 1961. It uses 127 film. Product Indentifier: E130.00055Front: Brownie (red print) / DAKON LENS / STARLET CAMERA / 13 COLOR / B & W 14 Bottom: Made in Australia by Kodak Australia Pty Ltd. Lock - open - use 127 film. Wind.camera, kodak, dakon lens, brownie starlet -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions with W.G. Kannuluik
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of W.G. Kannaluik operating an Abbe refractometer.. (For 122.2 see record no 273: ditto as for 122.1 ... photo of TH Laby) In ink on lower left hand corner : “1”. -
Eltham District Historical Society Inc
Photograph, Wattletree Road Bridge, Eltham, c.February 2012, 2012
Photograph taken prior to bridge being demolished and replaced with a new wider bridge, 2 March-6 May 2012Colour photo print 43.2 x 55.9 cm Museo Silver Rag Archival Fine Art Inkjet Paper 100% Cotton, gloss finish, No optical brighteners 300 GSM (17 x 22 inch)eltham, wattletree road bridge -
Eltham District Historical Society Inc
Photograph, Wattletree Road Bridge, Eltham, c.February 2012, 2012
Photograph taken prior to bridge being demolished and replaced with a new wider bridge, 2 March-6 May 2012Colour photo print 43.2 x 55.9 cm Museo Silver Rag Archival Fine Art Inkjet Paper 100% Cotton, gloss finish, No optical brighteners 300 GSM (17 x 22 inch)eltham, wattletree road bridge -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions: T.H. Laby
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of T.H. Laby holding a gun sight. Catalogued out of order as 122.2 (Photograph temporarily mislaid and repllaced by a P/C) -
Whitehorse Historical Society Inc.
Equipment - Camera, c. 1915
Originally produced by Rochester Optical Co. Rochester New York, USA as No.1 Premoette Jr Patented 1903,1909,1913. Company purchased by Eastman Kodak and was still in production in 1915.Eastman Kodak BT - 8048 filmpack folding camera. Uses Kodak XX Panchromatic film pack (included with camera) -negative size 2 1/4 x 3 1/4 inches. Has viewfinder which can be used in vertical or horizontal position and has two shutter openings. Camera has three slots on the bars on which bellows are extended to adjust focal distance.|Also known as a Premoette Junior No.1. Details of patent and number stamped on the back of the Filmpak loading door.On & over the lens - Made by Eastman Kodak Co, Rochester, NY, USA.|Ball bearing Pat'd Jan 18/1910photography, cameras -
The Ed Muirhead Physics Museum
Photograph, Optical Munitions, with H.A. Waters
Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of H.A. Waters operating instrument on tripod. Two rotary switches marked “Graticule”, switch positions “Off On”; similarly “Vernier” -- “Off On”.In ink on lower left hand corner : “32”. -
The Ed Muirhead Physics Museum
Spectrograph, Double Prism Optical
Double Prism Optical Spectrograph made of standing L-shaped metallic base in grey enamel which supports a brass collimator/telescope abutting a wooden box containing two prisms and camera. Tradition has it that it was designed by Laby but there is no supporting evidence.Engraved on brass cylinder: “Adam Hilger Ltd London England” On end of brass cylinder: “Screw = 5m/m Adam Hilger Ltd London England No. F31.301/25403”