Q.125 M CAM-TYPE RADIAL PLANIMETER
A folder containing data for marking out brass templates and instructions for use relating to Special Allbrit Radial Planimeter (Square Root Type) U2339 M for use with Westcott circular record charts Nos. M.050 and M.500.
Details
- Extent:
-
10
240
360
- Identifier:
- STAN3/18/44
- Access:
- Open Access
- copyright:
-
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