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:- Dimensions - 6.5" x 13.1" x 8.5". Diagram - SA 4062. Drawing - 63441. 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)
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Last revised: August 11, 2025FM | ||||||||