A folder containing instructions for use and data for marking out brass templates relating to Special Allbrit Radial Planimeter (Square Root Type) U2339 AG for the evaluation of mean square root of suction value as recorded on Electroflo circular record chart No. 2628 (uniform scale).

Details

Extent:
10
240
360
Identifier:
STAN3/18/60
Access:
Open Access
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