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National Stock Number:
6675-00-641-5923
Federal Supply Class:
6675
National Item Identification Number:
006415923
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:
| 600100 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| DRAWING MAXIMUM SIZE FOR WHICH DESIGNED | +36.000 TO 60.000 INCHES | | ARM LENGTH | 24.000 INCHES | | CHUCK PLATE SCALE QUANTITY | 2 | | PROTRACTOR DIAMETER | 4.750 INCHES | | PROTRACTOR MINIMUM INCREMENT IN DEG | 1.0 | | UNIT TYPE | MID-ANCHORED | | VERNIER MINIMUM READING | 5.000 MINUTES |
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