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National Stock Number:
6675-01-091-7171
Federal Supply Class:
6675
National Item Identification Number:
010917171
Description:
DRAFTING MACHINE
Detail:
AN INSTRUMENT PRIMARILY USED IN DRAFTING, CONSISTING OF TWO JOINED ARMS, ONE END BEING SECURED TO A STATIONARY SURFACE AND THE OTHER END EQUIPPED WITH AN ADJUSTABLE PROTRACTOR AND REMOVABLE RULED SCALE(S); OR TWO RIGID BEAMS, ONE BEAM ANCHORED ACROSS FULL LENGTH OF TOP OF DRAWING BOARD, THE OTHER BEAM PERPENDICULAR TO TOP BEAM EQUIPPED WITH ADJUSTABLE PROTRACTOR AND REMOVABLE RULED SCALE(S). IT IS USED AS A GUIDE FOR DRAWING PARALLEL LINES AT ANY ANGLE ON A CHART OR DRAWING, OR TRANSMITTING REFERENCE POINTS.
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Manufacturer Information:
| MARK XII-W-4 | 62527 | VEMCO CORP |
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Techincal Specification:
| DRAWING MAXIMUM SIZE FOR WHICH DESIGNED | +37.500 TO 60.000 INCHES | | PROTRACTOR DIAMETER | 6.000 INCHES | | PROTRACTOR MINIMUM INCREMENT IN DEG | 1.0 | | SPECIAL FEATURES | WALNUT FINISH | | VERNIER MINIMUM READING | 5.000 MINUTES |
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