The making of ship's blocks by hand, using a clave, c 1950.
4 0 c m
 
30cm
actual image size: 22cm x 32cm

The making of ship's blocks by hand, using a clave, c 1950.

© Science Museum / Science & Society Picture Library

Description

Photograph showing a man squaring down the mortise with a 'V' chisel to create a ship's pulley block . The development of the pulley block was fundamental to the workings of a ship as it meant heavier loads could be carried with less power. Increasing the number of pulleys increased the weight that could be moved. With the introduction of the Portsmouth block-making machinery in the early 19th century ship's pulley blocks no longer had to be made by hand. The machinery was designed by Marc Isambard Brunel (1769- 1849) and made by Henry Maudslay (1771-1831).
 

Image Ref.

10314135
 

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