Needle Wire gauge
Needle Wire gauge
Derived from the Birmingham Wire Gauge. #1 = 18½ B.W.G.; #2 = 19 B.W.G., and so on to #14 = 31 B.W.G. See S. S. Wheeler, Electrical World Nov. 12, 1887 On September 20, 1994, Rowland Carson posted a list of the 39 most used gauge systems in use worldwide: Of these Birmingham still features with the following: - Birmingham Gauge BG ~ iron hoop & strip, steel sheet
- Birmingham Wire Gauge BWG ~ iron & steel telephone wire
- Birmingham Wire Gauge for Silver & Gold ~ silver & gold
- Stubs Iron WIre Gauge ~ iron wire
- Stubs Steel Wire Gauge ~ steel drill rod
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