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)

 
Fleming's penicillin mould, 1935.

A sample of Penicillium mould presented by Alexander Fleming to Douglas Macleod, 1935.

 
Sinclair Cambridge Memory electronic calculator, 1974.

Sinclair Cambridge Memory Electronic Calculator, 1974. This was one of a series of pocket calculators introduced by Clive Sinclair in the early 1970s, beginning with the 'Executive' in 1972. Sinclair was able to make a calculator small and light enou

 
'Smoothwell' electric iron, 1935.

"Smoothwell" electric iron by Premier Electric Co. of Birmingham, c.1935

 
Kenwood Sodastream, 1978.

Kenwood Sodastream model by Sodastream Ltd. of Peterborough, 1978

 
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