One of William Crooke's original radiometers.
Dated to the late eighteenth century, this brass sextant was made by the London instrument makers, John and Edward Trougton. With its tripod stand and telescopic sights, it was designed for use in navigation, surveying and hydrography. The sextant c
The 'Chopper' children's bicycle.
Model E-1 'Electric Build-it Set' by Electric Games Co., Inc Holyoak, MA, USA
Cash register, National model 422X, mechanical with paper receipt printer, serial no. 1520476. by the National Cash Register Company, c.1910. The National Cash Register Company, so named after it was sold by the inventor in 1884, dominated the saleso
Scissors, very elaborate exhibition piece, steel with gilt brass handle in form of a dagger, by J. Moseley and Son, London, 1850-190 Steel is an ideal material for objects required for cutting, such as scissors. The ability of steel to be heat treat
Wooden statue of Saint Margaret of Antioch, patron of nurses, invoked by married woman and against sterility, wounds and facial blemishes, possibly French, 1700-1850
Cooke and Wheatstone's earliest (five-needle) telegraph, 1837
Fuller's spiral slide rule, no. 849, made by W.F. Stanley, with an instruction booklet, c.1880. The spiral slide rule was invented to increase the length of the scale, and hence the accuracy, of the conventional slide rule. The Fuller's instrument al
The induction motor is the most widely used form of electric motor because it is simple and robust. Nikola Tesla (1856-1943), who was born in Croatia but worked in America, made the first practical induction motors. He made this working model motor t