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Marconi Auto-Alarm Type M, by Marconi Company, England, Mid 20th Century

Inventory Number: 24207

24207-2t 24207-1t

Date: Mid 20th Century

Maker Details: Attributed to Marconi's Wireless Telegraph Co. Ltd.

Inscription: "MARCONI / AUTO ALARM EQUIPMENT / TYPE M" printed on celluloid plaque upon lower section of front surface.

Size: 960 x 350 x 310 mm (cabinet)

Materials: Steel, bakelite, glass, assorted metals.

Other Given Number(s): Christie's 118, Science Museum Loan 1962-165.


Marconi Auto-Alarm Type M, in grey-painted cabinet with three units mounted in drawers. With gain and tune devices, polished black bakelite tuning dial (marked "OFF", "HTV", "4", "3", "2", "1"), glass dial display with needle (scale 0-20), headphones socket (with two tuning dials), rectangular glass window into interior, and assorted buttons and screws. Drawers originally meant to slide open but apparently do not do so anymore.

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