Pointolite high intensity microscope lamp, by W. R. Prior and Co (Bishops Stortford, Herts), Santon Ltd and Edison Swan Electric Light Co., 155 Charing Cross Road, London, WC2, England, 1950-70. Pointolite high intensity microscope lamp 1950-1970
transformer with bar through it. manufactured by Edison Swan United Electric Light Co, Manchester Transformer with Bar
Original Fleming diode, 60 S16, (RMW/A1A - McVitie Weston number), by The Edison and Swan Electric Light Company Limited, c.1904, invented by Sir (John) Ambrose Fleming and used by Fleming in October 1904. Fleming diode 1904
Passes on request for information from Medical Superintendent at Berry Wood Mental Hospital, Northamption about use of commercial salt solution instead of more expensive saline in ECT treatment. Attached response from Walter confirms commercial solutions above 10% will be fine. Letter from K.D.F. Townend to William Grey Walter, 10 March 1942