instrument to measure maximum demand and record during a period
- Made:
- Frankfurt am Main
- maker:
- Hartmann and Braun
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instrument to measure maximum demand and record during a period, by Hartmann and Braun, Frankfurt AM. , No. 494
Details
- Category:
- Electricity Supply
- Object Number:
- 1985-907
- Materials:
- ferrous metal, glass, papier-mâché (possibly varnished, unidentified), textile-covered wire, copper alloy and paper or cardboard
- Measurements:
-
overall: 257 mm x 167 mm x 115 mm, ,
- type:
- instrument
- credit:
- Delta Metal Co.
