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National Stock Number:
6605-01-556-9401
Federal Supply Class:
6605
National Item Identification Number:
015569401
Description:
PLOTTER,SURFACE
Detail:
A DEVICE GENERALLY CONSTRUCTED OF PLASTIC MATERIAL HAVING A ROTATING CENTER SHEET BETWEEN TWO FIXED IDENTICAL OUTER SHEETS. A BLACK AZIMUTH CIRCLE, WITH MARKINGS ON THE OUTSIDE OF THE CIRCLE, IS PRINTED ON EACH OF THE OUTER SHEETS, AND A RED AZIMUTH CIRCLE, WITH MARKINGS INSIDE THE CIRCLE, IS PRINTED ON EACH SIDE OF THE ROTATING CENTER SHEET. THE AZIMUTH CIRCLES HAVE RADIAL LINES PLACED TEN DEGREES APART AND TEN CONCENTRIC RINGS, WITH EACH CONCENTRIC RING 0.5 INCH (12.7 MILLIMETERS) GREATER THAN THE PRECEDING ONE. THIS DEVICE IS ARRANGED TO PROVIDE TRUE-RELATIVE AND RELATIVE-TYPE BEARING CONVERSION FOR SIMULTANEOUS PLOTTING OF TRUE AND RELATIVE BEARINGS AND TO PERFORM THE FUNCTIONS OF A STANDARD MANEUVERING BOARD ON EACH SIDE, PERMITTING TWO PLOTS AT DIFFERENT SCALES.
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Manufacturer Information:
| 220 | 49268 | WEEMS & PLATH, INC. |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) P.R. 500 ROLLING PLOTTER | | SPECIAL FEATURES | LARGER BODY, BUILT TO TAKE RIGOROUS USE ABOARD COMMERCIAL AND BLUE WATER VESSELS; 19.625 INCHES IN LENGTH AND 3.625 INCHES IN WITDTH AND 1.250 INCHES THICK; PATENTED FOUR WAY ROLLING METHOD; ROLLER BODY HAS PROTRACTOR MARKINGS EVERY 1/2 DEGREE; 1 1/4 INCH MAGNIFYING LENDS; PACKAGED IN A DURABLE VINYL POUCH |
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