Siemens & Halske Patent Telephone, c. 1910

Siemens & Halske Patent Telephone, c. 1910 No. 278216, polished walnut case, carbon microphone with speaking horn, adjustable receiver by Siemens & Halske, large three-part crank inductor. Patent-Tele

First Siemens & Halske Butterstamp Telephone, c. 1878 Siemens & Halske, Berlin. D.R. Patent, no. 3671, stamped "1528U - 205E", with whistle for calling, turned wood, lateral screw for fine adjustment,

Very Early Siemens & Halske Butterstamp Telephone, c. 1880 Siemens & Halske, Berlin. D.R. Patent, underside stamped "27560 - 1702U - 204E", with whistle for call-ing, turned wood and brass, leather-co

Very Early Siemens & Halske Butterstamp Telephone, c. 1880 Siemens & Halske, Berlin. D.R. Patent, underside stamped with "13363 - 1823U - 204E ", turned wood and brass, leather-covered handle (leather

Very Early Siemens & Halske Butterstamp Telephone, c. 1880 Siemens & Halske, Berlin. D.R. Patent, underside stamped 41481, turned wood and brass, leather-covered handle, whistle for calling, underside

Very Early Siemens & Halske Butterstamp Telephone, c. 1880 Siemens & Halske, Berlin. D.R. patent, underside stamped "2200U", turned wood and brass, leather-covered handle, whistle for calling, undersi

Rare and Early Butterstamp Telephone, c. 1880 Siemens & Halske, Berlin. D.R. Patent, underside stamped 22652, turned wood and brass, underside with screw for fine adjustment, height 7 ½ in. - Not

Very Early Siemens & Halske Butterstamp Telephone, c. 1880 Siemens & Halske, Berlin. D.R. Patent, underside stamped "13313 - 1723U - 203E", turned wood and brass, leather-covered handle, underside wit

'Large Induction Coil by Siemens & Halske, c. 1910 For "Gesellschaft für drahtlose Telegraphie", type RF ms2, 17 ¾ x 9 7/8 x 11 2/5 in. 'Großer Funkeninduktor von Siemens & Halske, um 1910 Für "Ge

Siemens & Halske M89 Wall Telephone, c. 1890 Polished walnut case, serial no. 23140, carbon pencil transmitter, serial no. 53506 M 1889B, 2 Siemens & Halske earphones, serial nos. 124863 and 124253, i

2 German Telephones by Siemens & Halske 1) Wall telephone, c. 1928, metal case, double bell, dial, original handset with speaking horn. - And: 2) House telephone, c. 1912, walnut case, single bell, sp

2 Siemens & Halske Telephones 1) Wall-mounted telephone, c. 1920, in-line set for 25 extensions, large striking ring number disc, single bell, black-lacquered metal case with nickel-plated dial. - And

2 German Wall Phones 1) Siemens & Halske, Berlin, simplified design telephone station, c. 1896, no. 92028, carbon bag microphone, large can receiver, two-part crank inductor, double bell, polished wal

Large Induction Coil According to Ruhmkorff, c. 1910 Manufactured by Siemens & Halske. For spark length up to 6 in., with commutator, length of the coil 15 2/5 in., overall size 30 x 10 5/8 x 16 ½ in

Two German Desk Telephones 1) Siemens & Halske, c. 1921, desk station for internal telephone calls, 25-section number switch, call button, black-lacquered metal case, external bell, handset with speak

2 Siemens & Halske Telephones 1) Intercom for 25 lines, metal case, c. 1920. - And: 2) Drum-dial table phone, model Fgtist 261b, thermoset case, c. 1951. 2 Telephone von Siemens & Halske 1) Reihena

Resistance Bridges and Wattmeter, c. 1910 1) Resistance bridge with rheostat by "Hartmann & Braun", no. 667, with earphone. - 2) Precision wattmeter by "Siemens & Halske". - 3) Measuring bridge, 3 ro

Eight Precision Instruments, c. 1890-1910 1) Crank rheostat, Siemens & Halske, six changeable decade resistors, manganese wire-winding, in mahogany case, 14 ½ x 9 in. - 2) Crank resistor, Sieme

German Siemens & Halske Wall Telephone, 1882 Siemens & Halske, Berlin. With butterstamp receiver, D.R. Patent, underside stamped "10136 - 1723U - 203E", turned wood and brass, leather-covered handle,

Microphone for Telephone, c. 1910 Mix & Genest, Germany. Walnut case, complete. Mikrophon für Telephon, um 1910 Mix & Genest, Deutschland. Nußbaumgehäuse, komplett. Start Price: EUR 240

Measuring Bridge by Siemens & Halske, c. 1890 Thomson measuring bridge with sliding wire, for resistance measurement from 0,1 to 0,000001 ohms, upper part with circular plug rheostat, with 10 plugs an

Telegraph Station by Siemens & Halske, c. 1890 No. 55363, ink-writer, original lacquered brass, with relay and Morse key, drawer with paper strip, on original telegraph station table, size 35 &#

Telegraph Station by Siemens & Halske, c. 1895 Berlin, No. 30561, consisting of spring-driven ink-writer telegraph (working), Morse key, galvanometer, relay and plug bridge, on wood base with no. 392.

German Telegraph Station by Siemens & Halske, c. 1905 Ink writer no. 70276, spring-driven (working), original lacquered brass, with relay, galvanometer, lightning protection and Morse key, drawer with