Early Austrian Relief Writer Telegraph by Johann Michael Ekling, c. 1855

Apr 17, 2023

Early Austrian Relief Writer Telegraph by Johann Michael Ekling, c. 1855 Starting bid: € 600 | Estimate: € 1.200 – 1.500 Marked “J.M. Ekling, alt No. 576 n. No. 272”, Kaiserlich Königliche Telegraphen Werkstätte, stamped “K.K.T.W. No....

Very Early Siemens & Halske Butterstamp Telephone, c. 1880

Apr 17, 2023

Very Early Siemens & Halske Butterstamp Telephone, c. 1880 Starting bid: € 1.800 | Estimate: € 3.000 – 5.000 Siemens & Halske, Berlin, D.R. patent, underside stamped “2200U”, turned wood and brass, leather-covered handle, whistle for...

Early French Bréguet Dial Telegraph System, c. 1855

Apr 17, 2023

Early French Bréguet Dial Telegraph System, c. 1855 Starting bid: € 1.800 | Estimate: € 3.000 – 5.000 Consisting of transmitter, receiver, bell box and galva-nometer as patented in 1849. With keys to mechanism. 1) Transmitter, with brass plaque “E. Vinay,...

Detector Receiver E85c by Telefunken, c. 1918

Apr 17, 2023

Detector Receiver E85c by Telefunken, c. 1918 Starting bid: € 450 | Estimate: € 900 – 1.500 Gesellschaft für drahtlose Telegraphie, Berlin. No. 10182, primary/secondary receiver with numerous tuning possibilities, primary from 150 m to 6000 m, secondary from 150...

Telefunken Quenched Spark Transmitter and Detector Receiver, c. 1918

Apr 17, 2023

Telefunken Quenched Spark Transmitter and Detector Receiver, c. 1918 Starting bid: € 1.800 | Estimate: € 3.000 – 5.000 1) TK 05 transmitter system, 0.5 kW aerial energy, for 3 fixed waves in the range between 300 and 600 meters, with extinguishing spark gap,...