Flow Meter Orifice Calculator in card
- Made:
- 1950-1960 in Waterbury and Connecticut
Flow Meter Orifice Calculator in card, by 'The Bristol Company', 1950-60.
Details
- Category:
- Mathematics
- Object Number:
- 1999-713
- Measurements:
-
overall: 1.5 x 279 x 92 mm
- credit:
- Mr G. J. Betts