BTH Intermediate Lantern Morse code Signalling Lamp

£66.99

1 in stock

Description

BTH Intermediate Lantern Morse code Signalling Lamp

This wonderful looking gadget is a 1950s BTH Intermediate Lantern Morse code Signalling Lamp. Admiralty Pattern W2174 LM 6-4 serial number B.C 4338. It was manufactured by BTH (British Thomson Houston), who were manufacturers of the iconic ‘Aldis Lamp.’ Used extensively by allied Navies during WW2 for Morse communication when ships were running ‘dark’ in radio silence.

To send a signal, the user depresses the trigger which in turn moves a metal sleeve away from the internal light source. This produces a pulse of light i.e. morse code. It could be battery or mains operated producing 2-2000 candlepower.

This particular example is in good used cosmetic condition. It works when connected to a battery but has not been tested to see if it is working using Main’s electricity.

Labels on the lamp:-

Switch Off After Use
Patent No. ??? (unable to read)

BTH British Thomson Houston Aldis Lamp
1954
Admiralty Pattern W2174 LM 6-4
Serial number B.C 4338

Approximate Size:-
External Diameter of Face: 8.7cm
External Diameter of Rear: 6.4cm
Length:- 17.7cm (7″)
Distance from top of sight to bottom of handle:- 26cm

A fantastic piece of history for a militaria collector!

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Additional information

Weight 4.2 kg