Caisson gauge, portable, calibrated for heat, by the Ashton Valve Co., Boston, Massachusetts, United States of America, 1940
Details
- Category:
- Building Construction
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1981-455
- Materials:
- nickel plated, steel (metal) and glass
- type:
- pressure gauge
- credit:
- On loan from the Wellcome Trust