Callendar Electrical Temperature Indicator, 1894

Made:
1894 in London
maker:
Hugh Longbourne Callendar
and
The Cambridge Scientific Instrument Company

Callendar patent electrical temperature indicator, in mahogany case fitted with dry cell batteries, by The Cambridge Scientific Instrument Company, London, England, 1894

Details

Category:
Heat
Object Number:
1950-259
Materials:
bitumen, brass (copper, zinc alloy), carbon, copper (metal), glass, iron, ivory, mahogany (wood), mica, paper (fibre product), silver plated, steel (metal), textile, wood (unidentified)
type:
temperature indicator dial (electrical/electronic)
taxonomy:
  • measuring devices
  • measuring devices
credit:
Leica Microsystems Cambridge Ltd
status:
Permanent collection

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