Chromolithograph by E Wormser. Toolmaker Henry Maudslay (1771-1831) made block-making machinery to the design of Marc Isambard Brunel (1769-1849) which revolutionised the manufacture of ship's pulley blocks. Illustration from 'Grands desins colories pour l'enseignement de la mecanique / composes sous la direction de M le General Morin ... et par les soins de M Tresca', by Arthur Jules Morin (1795-1880), published in Paris in 1856. The collected 30 plates were sold in a portfolio, but could also be bought as a series or separately, and were produced for the purpose of instructing the general public in the intricacies of mechanical engineering.
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