COHERER WIRELESS RECEIVER BY A. KLIENIK Bonn, Germany, Late 19th/Early 20th Century Height 6.75".Eldred's4.8(487)See Sold PriceMar 12, 2026
NAVY-TYPE LOOSE COUPLER Early 20th Century Height 6.5". Length 18.25". Width 6.25".Eldred's4.8(487)See Sold PriceMar 12, 2026
J.H. Bunnell Steel Lever Telegraph Camelback Keys all From Rail Roads and Western UnionAtlee Raber Auctions4.6(540)$10Mar 30, 2026
