534 PLANIMETER RULE FORM SQUARE ROOT TYPE U2351C
- PART OF:
- Tracings 532 to 655
- Made:
- 1951-09-13-1951-12-18
A folder containing tracings and calculations relating to the square root type rule form planimeter, U2351C.
Details
- Extent:
-
10
240
360
- Identifier:
- STAN3/11/06
- Access:
- Open Access
- copyright: