Mear's gas flow calculator.
Mear's gas flow calculator. From a collection of gas engineer's tools and equipment used by Robert Stockley in Manchester in the 1980s.
Three perspex circles upon a central pivot, arranged as an analogue calculating device. Encased in a green cardboard sleeve.
Details
- Category:
- Gas Industry
- Object Number:
- Y2009.52.18
- Measurements:
-
Overall: 194 mm, 100 g
- type:
- calculating machine