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Portsmouth Block Mills
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The Portsmouth Block Mills form part of the Portsmouth Dockyard at Portsmouth, Hampshire, England, and were built during the Napoleonic Wars to supply the British Royal Navy with pulley blocks. They s
The exterior of the Block Mills in October 2022
The exterior of the Block Mills in October 2022
Interior of the Block Mills, showing the overhead belt drive system used to power the manufacturing machinery designed and patented by Marc Isambard B
Interior of the Block Mills, showing the overhead belt drive system used to power the manufacturing machinery designed and patented by Marc Isambard Brunel.
A wooden block
A wooden block
Some of Brunel's machines are preserved in the Science Museum in London (also see below).
Some of Brunel's machines are preserved in the Science Museum in London (also see below).
Block (sailing)
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In sailing, a block is a single or multiple pulley. One or a number of sheaves are enclosed in an assembly between cheeks or chocks. In use, a block is fixed to the end of a line, to a spar, or to a s
Portsmouth Block Mills
…of the Portsmouth Dockyard at Portsmouth, Hampshire, England, and were built during the Napoleonic Wars to supply the British Royal Navy with pulley blocks. They started the age of mass-production using all-metal machine tools (designed chiefly by Marc Isambard Brunel), and are regarded as one of the seminal…
Several different types of block connections as used on sailing ships, including the regular shackle, upset shackle, reverse shackle, reverse upset sh
Several different types of block connections as used on sailing ships, including the regular shackle, upset shackle, reverse shackle, reverse upset shackle, swivel jaw, swivel eye made round or oval, loose front hook, loose swivel hook, stiff swivel hook, loose side hook, stiff front hook, and side sister hook.
Various types of blocks of both wood and metal found on the 16th century ship Mary Rose
Various types of blocks of both wood and metal found on the 16th century ship Mary Rose
A modern single block made of stainless steel and reinforced plastic. The ball bearing is made of Delrin (polyoxymethylene)
A modern single block made of stainless steel and reinforced plastic. The ball bearing is made of Delrin (polyoxymethylene)