Search our collection
Silver plated medallion, London & North Eastern Railway - 'A', 'Wine Butler'
Magneto Port Type ZH6 No. 2090658, for 230 H.P. Benz Aero engine No. 33.278
Photogaphic print and diagram showing the compound photo-electric effect in krypton, produced by X-rays of 90 kV
Wade Bequest collection of valves: early triode radio valve by Marconi-Osram, 1926