Caisson gauge, calibrated for heat, 1940

Made:
1940
Portable caisson gauge, calibrated for heat.   By the Ashton Valve Co., Boston Mass., 1940?.   ('B' number B1989).

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Portable caisson gauge, calibrated for heat. By the Ashton Valve Co., Boston Mass., 1940?. ('B' number B1989).
Science Museum Group
© The Board of Trustees of the Science Museum

Caisson gauge, portable, calibrated for heat, by the Ashton Valve Co., Boston, Massachusetts, United States of America, 1940

Details

Category:
Building Construction
Object Number:
1981-455
Materials:
glass, nickel plated and steel (metal)
type:
pressure gauge
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
On loan from the Wellcome Trust