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


 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: December 29, 2020

FM