Thermometer
Negretti and Zambra
Category
Scientific instruments
Date
Unknown
Materials
Steel, mercury, glass and plastic
Measurements
2.5 ins (w)
Place of origin
London
Order this imageCollection
Shaw's Corner, Hertfordshire
NT 1274909
Summary
A maximum/minimum thermometer in white-painted rusted metal case, with hinged weather cover and lug for wall mounting. Mercury/alcohol filled glass thermometer mounted on white plastic backing sheet with black scales graduated from 20 to 120 degrees Fahrenheit, one degree graduations and figures at 10 degree intervals. Marked at top of back plate "NEGRETTI/ and ZAMBRA,/ LONDON."
Provenance
Bequest of George Bernard Shaw, 1950
Marks and inscriptions
NEGRETTI/ and ZAMBRA,/ LONDON.
Makers and roles
Negretti and Zambra