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Two-Way Morse Key, by Siemens Brothers, London, 1900s
Inventory Number: 53048
Date: 1900s
Maker Details: Signed by Siemens Bros. & Co.
Inscription: "SIEMENS BROS & CO LONDON No 287" printed on side of base.
Size: 150 x 90 x 100 mm (overall height)
Materials: Brass, ebonite, steel
Other Given Number(s): Christie's 24, Science Museum Loan 1925-642.
Notes:
Two-Way Morse Key, consisting of brass key, brass switch, ebonite handle and steel side knobs. On rectangular ebonite surface, with two brass terminals. Switch controls engagement with front or rear contacts.
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