Parsons' original Steam Turbine generator with spare guide ring and fan 1884. Made by Clarke, Chapman, Parsons & Co. This machine is the forerunner of the turbo-generators that today provide most of the world's electricity. It is the first experiment
This was the first successfull atomic clock, with an accuracy of one second in 300 years. It measures time by counting the vibrations of caesium atoms. The caesium atoms are subjected to radio waves of a very high frequency as they pass down an evacu
The Space Timer was one of the first mass-produced radio-controlled clocks. It is synchronised by time signals transmitted from Frankfurt in Germany and indicates Mid-Euopean time, which is one hour fast of Greenwich. It automaticlly resets itself fo
Dated to the early twentieth century, this planetary model was made by Laing Planetarium Company in Detroit, United States. Called an orrery, or more correctly a tellurium it is a demonstration model to show the motions of the Earth and Moon around
This model (scale 1:200), of the Lovell Radio Telescope at Jodrell Bank, Cheshire was made in 1961. United Steel Companies Companies, who constructed the radio telescope for Manchester University, also built this model. Known as the Mark-1 Telescop
Dated 1830--2, this ornate planetary model was made by the Parisian clock makers, Raingo Frères. Called an orrery or more correctly a tellurium, it is a demonstration device to show the motions of the Earth and Moon around the Sun. It consists of a
marks one of the key advances in railway technology.
Laennec stethoscope made by Laennec. Labelled as follows: This is one of Laennec's original stethoscopes, and it was presented by him to Dr Begin a French Army surgeon whose widow gave it to me in 1863.
This time recorder, made by the National Time Recording Co. Ltd., of London, was used at the Royal Aircraft Establishment, Farnborough, Hampshire up to 1976 to record the times of arrival and departure of workmen so that their wages could be calculat
2 boxed sets of Maxim's inhaler, Sir Hiram Maxims "Pipe of Peace", with drug prepared by John Morgan Richards and Sons Ltd., London. One is illustrated.