BELL No. 27A | |||||||
Bell with a coil resistance of 100 ohm. Single stroke, used with Clock No. 17 as a time signal for switchboard peg counts. Uses a Bell-gong No. 9 (6 inch diameter). Formerly called "Bells, single stroke, time" In use in 1904. Click here for the difference between a Bell and a Bellset
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Last revised: October 30, 2022FM |