KEY AND LAMP UNIT - SA4062


These are for subscribers (brokers' offices, etc.) order-tables and can terminate a maximum of 10 lines (exchange, extension or P.W.).  They have one operators circuit and can be multiplied with other units as required.

Used on Order-Table Equipment No. 3.

Includes:-
10 x Caps, Lamp No. 1-1B.
10 x Caps, Lamp No. 1-1C.
1 x Capacitor, M.C. No. 102.
1 x Clip No. 29.
1 x Coil, Induction No. 27.
1 x Hook, Receiver AA.
1 x Jack No. 20.
1 x Jacks, Lamp No. 17A.
10 x Keys No. 215, Black.
1 x Key-mounting, KY  (modified).
20 x Lamps No. 2-6V.
1 x Rectifier-element No. 2/2A.
11 x Resistor, Coil No. 12-300R.

To be requisitioned separately as required:-
1 x Plug No. 404.
1 x Telephone No. 164 or 184A.
or
1 x Receiver, Head Gear No. 10A.
1 x Transmitter No. 23A, with Plug No. 404.

Dimensions - 6.5" x 13.1" x 8.5".

Diagram - SA 4062.

Drawing - 63441.

Superseded by Key and Lamp Unit No. 2A.

Click here for more information

Picture dated 1937
 

Key and lamp units at Trans Canada Airlines (Pall Mall) - 1959


Key and lamp units at Trans Canada Airlines (Pall Mall) - 1959


Located at Messer's Butcher & Hopper, Spitalfields (1938)
Key & Lamp Unit with Autodial (shown to left)

 

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

Last revised: August 11, 2025

FM