|
|
|
National Stock Number:
1290-01-152-3157
Federal Supply Class:
1290
National Item Identification Number:
011523157
Description:
SCALE,SOUND-SECOND
Detail:
(ALL EXCEPT USA) FOR USA INC 20907 CANCELED REPLACED BY SCALE, PLOTTING: INC 08929, FIIG T144, APPL KEY PB. A THIN, FLAT STRIP OF METAL OR PLASTIC, HAVING ONE EDGE GRADUATED IN SOUND-SECONDS, AND/OR TENTHS OF A SOUND-SECOND. IT IS USED TO EVALUATE THE LINEAR DISTANCE OF TIME INTERVALS RECORDED BY VARIOUS PREVIOUSLY ORIENTED MICROPHONES WHEN THE SOUND IS RECEIVED. EACH SOUND-SECOND GRADUATION IS EQUIVALENT TO 337.6 METERS UNDER STANDARD ATMOSPHERIC CONDITIONS, AT 50 DEGREES FAHRENHEIT (10 DEGREES CELCIUS).
|
Manufacturer Information:
| 11785518 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| SPECIAL FEATURES | PLASTIC,SPEC L-P-535; 27.590 IN.L.,1.260 IN. W.,SCALE IS MARKED "0" TO "50" DIVIDED INTO 500 EQUAL SPACES |
|
|