Improved Callendar and Griffiths Resistance Bridge, 1850-1900

Made:
1850-1900 in Europe
maker:
Ernest Howard Griffiths
and
Hugh Longbourne Callendar

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Improved form of Callendar and Griffiths bridge, unsigned, 1850-1900.

Details

Category:
Heat
Object Number:
1930-357
Materials:
box (wood), brass (copper, zinc alloy), copper (metal), lead (metal), mahogany (wood)
type:
resistance bridge (electrical)
taxonomy:
  • measuring devices
credit:
Callendar, Mrs.

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