Jewel Blocker And Sawyer
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Cuts boules (raw sotck from which jewels are fashioned) into
small squares by successive blocking and sawing operations:
Secures boule on block with melted sealing wax preparatory to
sawing.
Cuts boules into half moons (boule cross sections),
using saw equipped with diamond-impregnated circular copper
blade. Turns indexing handle to move saw bldae for successive
cuts. Blocks half moons and saws them into strips.
Blocks and
saws strips into squaers. Trues blades after diamond dust has
been pressed into cutting rim in hydraulic press, by peening on
flat metal surface until metal is so distributed throughout
blade that bldae does not snake (shimmy) when turning.
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Jewel Blocker And Sawyer
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