| No. 1
Consists of square section steel bar, 4.5" long, with ends bent at right-angles in opposite directions and slotted 0.068" by
0.078" deep. For adjusting the carrier stop on Relay Switches
3000-type. |
 |
| No. 1
Consists of square section steel bar, 4.5" long, with ends bent at right-angles in opposite directions and slotted 0.068" by
0.078" deep. For adjusting the carrier stop on Relay Switches
3000-type. |
|
| BACK | Home page | BT/GPO Telephones | Search the Site | Glossary of Telecom Terminology | Quick Find | All Telephone Systems |
Last revised January 31, 2021
FM2