Associated with object # 336.10 silver bromide images on glass plates depicting graphics and information associate with the betatron.Label on box: 'PLATES FOR ENLARGER' 'KODAK SILVER BROMIDE'betatron, silver bromide, kodak, plates, visual aids, education aids

Photograph of initial Betatron installation.

Electronic desk calculator last used by Betatron group

6 colour polaroid photographs showing different angles of Glass donut for 2.8 MEV Betatron (Reg 61) (269.1,269.2, 269.3, 269.4, 269.5, 269.6) Photographs are of Reg 61: Glass donut for 2.8 MeV Betatron

Glass donut with injector arm and attached wires. Internal surface is sand blasted and silver plated. Mounted on specially made demonstration stand. Reg 269.6 is photographs of the object.Plaque on mould: “Glass Donut for 2.8 MEV Betatron W.B.Laish and L.Riddiford 1946”

Black and white photograph of 35 MeV betatron donut. Showing electron exit beam “pancake” deflector coils

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.