Imperial Wire Gauge & British Standard Gauge
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British Standard, or Imperial wire gauge, fixed by order of council August 23, 1883. It was constructed by improving the Birmingham Wire Gauge. Made legal standard March 1, 1884.
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