Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 113
GENERAL VIEW OF THE GREAT WHEEL AT EARLS COURT. … Fig. 27.—Sir Joseph Whitworth. TOOLS. OF the immense variety of tools and mechanical contrivances employedin modern times, by far the greatest number are designed to impartto certain materials some definite shape. The brickmakers mould, thejoiners plane, the stonemasons chisel, the potters wheel,…
Inventions
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