Cast, assembled. Varnished. Accessories: paper label in plastic sleeve screwed to top. Surface finish: varnished. Paper label affixed to top of object: “Ring Transformer E2/Core Details/Cast Iron Ring/Mean Diameter 15.45cm/Thickness (along radius) 2.0cm/Breadth ([parallel- signified by two vertical lines] to axis) 0.509 cm/Winding Details Primary/Secondary” Damaged label adhered to upper face in back left corner: “Part[illegible]”

Assembled, moulded. Coated. Accessories: dials. Surface finish: polished. Inscribed on upper face along back edge: “T.E.P.L. MELBOURNE [arrow] 551 1941” Inscribed on upper face along front edge: “EUREKA BRITISH STANDARD OHMS” Labels Inscribed on upper face: “POSTIVE POLE/LINE OR EARTH” “LINE AND/GALVANOMETER” “GALVANOMETER” “NEGATIVE POLE/AT 15.5oCENT” Underside written in pen: “ROBINSON & STUMBLES”

Assembled, dove-tailed. Coated, painted. Accessories: mesh, dials. Surface finish: coated, painted. Inscribed on upper face, centred: “OHMS X 1000/ AUSTRONIC ENGINEERING LABORATORIES” Painted on upper face, back left corner: “PIII”

Machined metal sides and interior, machined plastic top with plastic dials, handmade wood base with dovetail joins and mitred corners. Perforated machined metal surface spray painted, machined plastic surface coating, wood base most likely hand varnished. Surface finish: metal sides painted matt blue, plastic top brownish red coating with smooth matt finish, wood base varnished. Inscribed on top face: “LEEDS & NORTHRUP CO./PHILADELPHIA/62798. Paper Sticker on back metal side: “PA 3” Diamond shaped paper label adhered to top face with diagram handwritten in black ink.

Machined metal parts, polymer base, wooden box plinth. Uncoated metal, polished wood. Surface finish: wood varnish. [Stamped] on upper face, centre of front edge: Hartmann & Braun A.G./ Frankfurt a.M/ No 13881. [Stamped] on upper face, centre of back edge: Manufacturer’s symbol. Paint dot on upper face in top left corner approx. 0.7-1.0cm in diameter.

No. of pieces: 2. Mould cast and machine made. Plastic coated, lacquered wood (body). Copper alloy and plastic coated key. Surface finish: lacquered. Inscribed on top face along front edge: “TRUE OHMS/ RIGHT AT 15.7oC No 1907/ P.S WIRE” Inscribed on top face in the centre, along the back edge: “ELLIOTT BROs LONDON” Inscribed measurements on top face, clockwise from top number: “30,000, 40,000, 10,000, 20,000” Inscribed on left side face: “P” Inscribed on top face along right edge: “D”

Black and white photograph of view of lens with measurment and showing view of a field. Duplicate of no 156.On back in pencil: “No. 35 Telescopic Sight” On back and front in ink: “35” Stamped on back: “Information Office, University of Melbourne”

“Optical microscope made in Australia ater 1939-45 War. Designed by J.J. McNeill and G.G. Schaefer of Munitions School Laboratory, forerunner of Materials Research Laboratories. Built by MSL. Specifications: 2 objectives of 16mm and 4mm and 2 eyepieces 5x, 10x and a substage condenser. (Script of HC Bolton) Full discussion in Bolton, HC, “JJ MCNEILL AND THE DEVELOPMENT OF OPTICAL RESEARCH IN AUSTRALIA. Historical Records of Australian Science 5 (1983) pp 55-70.Black and white photograph of optical microscope. Information in ink on back - see History of Object for transcript.

Black and white photograph portrait of J.J. McNeill.On back of image in pencil: “J.J. McNeill”, “3843 Chem Physics CSIRO 1968”

Black and white photograph of two scientists at work (A.C. Goodwin and Peter Law).On front of image in ink: “9” On back of image in pencil: “No. 9 A.C. Goodwin Peter Law” (L to R) On back of image in ink: “9”

Black and white photograph of two scientists (J.B. Willis and P.G. Law) at work on microscopeOn front of image in ink: “31A” On back of image in pencil: “31A J.B. Willis, P.G. Law ” (L to R) On back of image in ink: “31A”

Black and white photograph of male scientist (Kahanine) working on graphic design.On front of image in ink: “31” On back of image in pencil: “No. 31 Kahanine’ On back of image in ink: “31”

Black and white photograph showing male hands preparing glass for fusing. Same photo as 144.On front of image in ink: “24” On back of image in pencil: “No. 24 Glass Preparation for fusing” On back of image in ink: “24”

Black and white photograph showing young man (Notman) working on graphic designs at a draft board.On front of image in ink: “19” On back of image in pencil: “Notman No. 19” On back of image in ink: “19”

Black and white photograph showing Gordon Crickmore using compass. Same photo as 136.On front of image in ink: “16” On back of image in pencil: “No 16 Gordon Crickmore” On back of image in ink: “16”

Black and white photograph Dick Huey at work assembling plate glass for making gla blocks. Same photo as 147On front of image in ink: “27” On back of image in pencil: “No 27” On back of image in ink: “27”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): spectrometer magnet & target chamber. Duplicate of 174.Sticky typed labels on back from top and left to right: “TARGET CHAMBER, 180 SPECTORMETER MAGNET, TURNTABLE”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): spectrometer magnet & target chamber. Duplicate of 175.Sticky typed labels on back from top and left to right: “TARGET CHAMBER, 180 SPECTORMETER MAGNET, TURNTABLE”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): internal target & filament system.Sticky typed labels on back from top and left to right: “FILAMENT STEM, INTERNAL TARGET STEM”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): dee line & deeSticky typed labels on back from top and left to right: “GENERAL VIEW SHIELDING CAN & DEE LINE ASSEMBLY, FINAL AMP RAILS, TROLLEY RAILS” Handwritten on back bottom left corner in pen: “Dee line + Dee”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): magnet & vacuum box.Sticky typed labels on back from top and left to right: “COIL CANS, POLE PIECE, BOX, COUPLING PORT, 10” DIFF PUMP” Handwritten on back bottom left corner in pen: “magnet and vacumm box” Handwritten in pencil “A”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): inside dee lineSticky typed labels on back from top and left to right: “TUNING LOOP AND PORT, GUIDE RAIL, SHORTING BAR, COUPLING LOOP PORT, INSIDE DEE OUTER, 9” PUMP PORT, DEE STEM” Handwritten on back bottom left corner in pen: “inside the dee line”, “shooting bar, tuning loop and power loop, dee stem”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): Beam lineSticky typed labels on back: “QUADRUPOLE FOCUSSING LENS” , “SCATTERING CHAMBER” Handwritten on back bottom left corner in pen: “extend beam line”

Small black and white photo showing equipment comprising of a large oblong ball on top of column.Handwritten on back in pencil: “Van de Graaff Old Physic Building (Natural Philosophy)”

Black and white photo of Hercus and Osborne in laboratory.Handwritten in pencil on back of photo: “Duplicate L to R Hercus Osborne Laby”

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of E.R.Johnson testing fused sandwiched plate glass in a polarimeter. N.B. As at time of writing it is not certain that the “man” pictured in nos. 147 and 149 is the same individual as pictured in no 140. (EGM. 11/11/99)On back of photo in pencil: “No. 20 E.R. Johnson”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator)Rear end of DEE system & accessories. Duplicate of 199 Sticky typed labels on back from top and left to right: “WATER FLOW CONTROLS, REAR END OF DEE STEM, SHORTING BAR CONTROL” Handwritten on back right hand corner in pen: “Rear end of dee line”

Builit in 1950s and used till the mid 1970s within the Physics Department used in Melbourne. John Rouse and David Caro was involved in the construction.Black and white photo of cyclotron (nuclear physics accelerator): Gas target cell & neutron shielding. Sticky typed labels on back from top and left to right: “WAX, GAS CELL” Handwritten on back right hand corner in pen: “Don’t know”