On Display

Crick and Watson's DNA molecular model, 1953.

Reconstruction of the double helix model of DNA built by Francis Crick and James Watson in 1953 using some of the original metal plates (Inv No 1977-300)

 
Sample of Bessemer steel, 1860.

Sample of Bessemer steel, one slice cut from the muzzle of a gun section, bent cold under the steam hammer. Sir Henry Bessemer (1813-1898) was an English inventor and engineer who invented a cheap process for manufacturing steel. He patented a proces

 
Original pilot Bessemer converter, 1856.

Sir Henry Bessemer (1813-1898) was an English inventor and engineer who invented a cheap process for maufacturing steel. He patented a process by which molten pig iron was converted to steel by blowing air through it in a Bessemer converter.This remo

 
Apple I computer, 1976.

Personal computer by Apple Computers, model Apple I, 1976-79. This was the first computer made by Apple Computers Inc, which became one of the fastest growing companies in history, launching a number of innovative and influential computer hardware an

 
Mullard circuit blocks, 1965.

Mullard 100 kcs circuit block, FF1 B8 920 00 (red) x 4 on printed circuit board, 1965. Made by the British company Mullard Ltd., these devices are complete electronic circuits, consisting of components sealed into boxes, which carry out specific logi

 
Arkwright 's prototype spinning machine, 1769.

Arkwright's prototype spinning machine, 1769. The machine uses the drawing roller method invented by Lewis Paul in 1738. It was constructed with the assistance of John Kay, clockmaker. The cotton fibres to be spun passed through four pairs of rolle