"Local Standard" micrometer yard bed of hard brass for testing local yard "End" measures
"Local Standard" micrometer yard bed of hard brass for testing local yard "End" measures, 1934 (Standard Dept. Regulations A.3).
- Object Number:
- 1934-20 Pt1
"Local Standard" micrometer yard bed of hard brass for testing local yard "End" measures, 1934, in fitted case. (Standard Dept. Regulations A.3)
"Local Standard" micrometer yard bed of hard brass for testing local yard "End" measures, 1934 (Standard Dept. Regulations A.3).
Box for "Local Standard" micrometer yard bed of hard brass for testing local yard "End" measures, 1934.