A photograph of Science Museum objects 1876-538 and 1905-109 with a caption that states: 'S.M. 42 Morland's Calculating Machine (two examples). Invented by Samuel Morland in 1666 for the mechanical addition of sums of British money. In one machine the top plate is shown removed. (See "The Description and Use of Two Arithmetick Instruments", by S. Morland 1673) E.11 - 1903(1876) E3 - 1905(1872) Woodcroft Bequest Presented by Major-General H.P. Babbage'.