"JEWEL BLOCKER AND SAWYER"
Job Description and Jobs
DOT: 770.381-026
Cuts boules (raw stock 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 blade for successive cuts. Blocks half moons and saws them into strips. Blocks and saws strips into squares. 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 blade does not snake (shimmy) when turning.
