Dated 1975. From Various papers including biographical material relating to the life and career of Charles Wheatstone, and patents, 1757-1975.

Printed articles relating to the life and career of Charles Wheatstone published during the centenary of Wheatsone's death, notably including John Hall, 'Wheatstone's wheezes on show', in Nature, 256, 14 August 1975; William Price, 'Lyell and Wheatstone', in Physics bulletin, October 1975; Robin Spring, 'Charles Wheatstone, inventor extraordinary', in New scientist, 16 October 1975; booklet on Wheatstone issued by the Science Museum, South Kensington, to publicise their centenary exhibition, October 1975, with review on the exhibition by Richard Fifield in New scientist, 30 October 1975.