Thermocouple calculator with centigrade to Fahreheit converter by Leeds Northrup

Made:
1952-1960 in Philadelphia
Thermocouple calculator with centigrade to Fahreheit converter

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Thermocouple calculator with centigrade to Fahreheit converter
Science Museum Group
© The Board of Trustees of the Science Museum

Thermocouple calculator with centigrade to Fahreheit converter by Leeds Northrup, 1952-60.

Details

Category:
Mathematics
Object Number:
1999-711
Materials:
card and complete
Measurements:
overall: 2 x 240 x 102 mm
type:
ready reckoner (temperature)
credit:
Mr G. J. Betts