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.

No. of pieces: 12 Mold, cut, screw, plated, polish. Accessories: 11 detachable screw knobs. Surface finish: varnish, electroplated. Inscribed on top face: “1 MEGOHM/ PATT.948 GAMBREE BROS & Co LTD LONDON. No 120” Chipped paint dot on top face in the front right corner.

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.

Wooden cube with 8 metal screws visible on the upper and lower faces, securing sides together. The upper face of the cube is plastic. Metal apparatus, possibly brass, fixed to the upper face, All of the faces of the wooden cube, apart from the upper plastic face, have been sanded smooth and on all faces but the lower face, a finish has been applied. Inscribed on upper face: “DUBILIER/LABORATORY STANDARD/CONDENSER/No. 33105845/CAPACITY 0.3µF/PATENTED”; Handwritten on paint dot on upper face: “3”

Machined, sanded and attached with screws. Polished. Surface finish: lacquer [Stamped] on top face in the centre, along the front edge: “W.G. PYE & Co LTD/ ENGLAND/ CAMBRIDGE/ UNIVERSAL SHUNT [Stamped] on top face above the central dial: No 15.787 [Stamped] on top face: Total Res= 10,000 ohms

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”

Electronic desk calculator last used by Betatron group

35 Million electron volt betatron, manufactured by Siemens, was purchased through the initiative of Professor Brian Spicer (then Director of Nuclear Physics Research, SoP) in 1962. It became the basis of a large research program of photonuclear physics research finally coming to completion in 1986. Of the two “magnets”, the one for external electron beam was scrapped, the other “reprocessed” in the SoP workshop during 2003. This involved the removal of most of the iron laminations to reduce the wieght, and which were replaced by wood to simulate the magnet “yoke” ; glamorised with colour to highlight the coils etc. At the time of writing it is proposed to locate it on the south-east corner of the Physics Podium.Caption describing the object mounted on base.

Photograph of the general view of the statitron. The accelerating tube is encircled by corona rings.

The Generating Voltmeter is of the sectored disc type and was part of the control system of the statitron

The Statitron beam was analysed by a ninety degree annular magnetic spectrograph.The magnet had a radius of curvature of 30cm. The winding consisted of 30 layers of 15 B&S enamelled copper wire, about 4000 turns in all and could carry a current of 5 amperes.

The Pelletron is a high Voltage particle accelerator capable of producing 5Mev. The main tank contains the pelletron chain of metal pellets connected by insulating nylon links. The pellets are charged by induction and transported by a chain to the collecting dome. The tank is filled with sulfur hexafluoride a high voltage insulating gas

The Photograph is of the main 90 degree analysing magnet.

The beam line transports the accelerated particles to the site of the experimental apparatus. It is evacuated and may be one of many lines.

Apparatus to analyse the harmonic upper partials of c. Apparatus consists of 8 Helmhotz resonators (one missing) tuned to the upper harmonics of c. Each of the 8 resonators is connected with a manometric flame. All the manometric flames are observed by means of the rotating mirror. When a sound strikes the apparatus containing a tone to which one of the resonators is tuned, the image of the corresponding manometric flame is resolved by the rotating mirror into a series of separate images. The apparatus corresponds to a modern fourier spectrum analyser.

Brass Rotary switch with glass panel and bakelite housing. Made by H.W Sullivan Ltd LondonMade by H.W.Sullivan Ltd London Inscribed on base No. 5434 No. painted on base 5226

125Hz tuning fork with viewing slot attached to one prong. Housed in wooden box with swivel top wooden box marked on lid with Stroboscope 125~ Tuning fork marked with England RAGG near base

Sight with circular scale Believed to be manufactured by DSTO Maribyrnongoriginal DSTO tag H001053

One of the first scientific calculators. Dymo label BRG/15105

Electronic Calculator

Programmable Electronic Calculator with Model 10 Mathematics and Peripheral control Plug ins

Scientific and programmeable calculator with paper roll printout

Scientific and Programmeable Calculator with paper roll printout

Silver Cube in wooden box Unknown usagePainted on top of box with 15098/4

A Cutaway Transmission electron microscope allows detail of the inner construction and beam path to be viewed.

On of the world's largest capacity ruling engines ,operating between 1960 and 1972. Designed and constructed at the CSIRO Division of Chemical Physics by Dai Davies and Geoffrey Stiff.

X key A BIG MACHINE Ser no 200949