Early Telegraph Device by
»Silvertown, London«
Marked: "Telegraph Receiver, Silvertown London, Patent"
and "Telegraph Works, Silvertown London, Patent, No. 195",
with coherer, decoherer, relay, Morse key and Wheatstone bridge; size: 16
1/6 x 10
1/5 x 9 in.
(41 x 26 x 23 cm). Original condition!
Estimate: 1,500/3,000
US$ 2,000/4,000
Reserve: 500/US$ 650
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