Metal ammoniaphone, for voice cultivation, in box, invented by Dr. Carter Moffat, manufactured by Medical Battery Co., London
Porcelain bowl, retrieved from Hiroshima after the atomic bomb explosion, August 1945
This paperweight was made to represent a contraceptive pill. The contraceptive pill became available in 1960. It uses female hormones to control fertility and became commercially viable when it was discovered that the Mexican yam was a cheap natural
Gothic case double needle telegraph, 1851
Early bell telephone and terminal panel, 1877, used at Osborne Cottage, 14th January 1878
Stock Exchange printing telegraph, comprises:- (a) transmitter unit; (b) two receivers; ( c) power pack
Electric generator, one of two later installed in Souter Point lighthouse, by Frederick Hale Homes, 1867.
Pneumatic dispatch switch for an intermediate station
A prototype for a clock mechanism intended to keep time for 10,000 years.