Portable 1/2-minute pulse glass

Made:
1920-1950 in United Kingdom
Portable 1/2-minute pulse glass, and metal, British(?)

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Portable 1/2-minute pulse glass, and metal, British(?)
Science Museum Group
© The Board of Trustees of the Science Museum

Portable 1/2-minute pulse glass, and metal, British(?), 1920-1950

Details

Category:
Nursing & Hospital Furnishings
Object Number:
1982-561/14
Materials:
glass, sand, metal (unknown) and complete
Measurements:
overall: 68 mm, 11 mm,
type:
pulse glass
credit:
Mirrielees, Esther