Bulletin No. 4315: Thomas Astatic Instruments For Continuous Current Switchboards
- Author(s): General Electric Company
- Category: Tools
- Publisher: General Electric Company
- Publish year: 1903
- ISBN: 9678000011268
- Number of Pages: 12
The fields of these instruments are electro-magnets wound for any specified voltage and provided with binding posts separate from the current posts of the instrument.
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