Bell-Type Telephone Demonstration Model, c. 1900

Bell Telephone Demonstration Model, c. 1900 Manufacturer: E. Leybold's Nachfolger, Coeln-Rhein. Open-works telephone model for demonstrating the mechanism, on mahogany base, very good original condit

German Wall-mounted Model M 1900 Telephone, c. 1900 Walnut case, Berliner-type carbon microphone with speaking horn, 3-part crank inductor, 2 spoon-shaped earphones by Schuchhardt, double bell. Deutsc

Miniature Telegraph and 2 Bell-Type Telephone Receivers, c. 1900 1) Morse telegraph receiver by Cattaneo Angelo, Meccanica, Milan, spring motor, on wood base, 7 4/5 x 4 ¾ in. - 2) Morse key by th

Bavarian Wall Telephone by Wetzer, c. 1900 Hermann Wetzer, Pfronten. No. 1180, walnut case M 1899, carbon microphone by Friedrich Reiner in Munich, 3-part crank inductor, 2 Bell-type earphones. Bayeri

Bavarian Wall Telephone by Heller, c. 1900 Friedrich Heller, Nuremberg. No. 9572, walnut case, height-adjustable carbon microphone by Friedrich Reiner in Munich, 3-part crank inductor, 2 Bell-type ear

Bavarian Wall Telephone by Zettler, c. 1900 Alois Zettler, Munich. No. 5308, walnut case, height-adjustable carbon microphone by Friedrich Reiner in Munich, 3-part crank inductor, Bell-type earphone,

Bavarian Wall Telephone Station by Heller, c. 1900 Friedrich Heller, Nuremberg. Walnut case, carbon granule transmitter with speaking horn, 3-part crank inductor, double bell, 2 Bell-type earphones, l

Ericsson skeleton type telephone, early 20th c., model number 16, plain black base, double bell, braided fabric-covered cable, accompanied by booklet "Old Telephones," Andrew Emmerson, Shire Album 161

2 Intercom Telephones and Switch by L.M. Ericsson, c. 1900 1) Battery ringing telephone, model BC 1100, polished walnut base, single bell, push button ringing, carbon grain microphone with speaking ho

Railway Telephone by L.M. Ericsson, c. 1930 Model AB 2120, black-lacquered metal case with transfer of crown and winged wheel, five-part crank inductor, height-adjustable microphone, Bell-type earphon

Early Wall Telephone by L.M. Ericsson, c. 1890 Stockholm, model 301, fixed carbon microphone, Bell-type handset, 3-part crankinductor, double bell, lightning protection, ornate walnut case, writing de

Early Wall Telephone by L.M. Ericsson, c. 1890 Stockholm, model 325, fixed carbon microphone, Bell-type handset, 3-part induction coil, double bell, lightning protection, ornate walnut case, writing d

Early Wall Telephone by L.M. Ericsson, c. 1890 Stockholm, model 301 (new no. AB 210), fixed carbon microphone no. 570 on arm, Bell-type handset, 3-part induction coil, double bell, lightning protectio

Early Wall Telephone by L.M. Ericsson, c. 1890 Stockholm, model 301, fixed carbon microphone no. 570, Bell-type handset, three-part induction coil (missing one section), double bell, lightning protect

Bell-Type Telephone, c. 1895 Unmarked, turned fruitwood, small chip above the diaphragm, original lacquered brass connections, height 7 ¼ in. A telephone of most attractive form. Bell-Typ-Telepho

Early and Unusual Bell-Type Telephone, c. 1880 Butterstamp telephone with 2 magnets, walnut case, for speaking and listening, height 7 ¼ in., superbly rare! Ungewöhnliches Bell-Typ-Telephon, um 188

2 Bell-Type Telephones, c. 1880 Unmarked, butterstamp telephones, white beech, for speaking and listening, with horseshoe magnet, height 6 ¼ in. 2 Bell-Typ-Telephone, um 1880 Unbezeichnet

2 Bell-Type Telephones, c. 1877 Probably by Öller & Co., Stockholm, Sweden. Butterstamp telephone, pine, suitable for speaking and listening, with horseshoe magnet, height 6 in. each. Superbly rare!

'Bell-Type Telephone, c. 1880 Unmarked, butterstamp telephone, ebonized wood, brass contacts, suitable for speaking and listening, height 5 ½ in. 'Bell-Typ-Telephon, um 1880 Unbezeichnet, Stempelform

Group of Physical Demonstration Models, c. 1900 1) Wimshurst's influence machine, Trüb, Fierz & Cie., Zurich, height 14 ½ in., complete, rubber straps need to be renewed. - 2) 8 chromic acid

4 Interesting Physical Demonstration Models, c. 1900 1) Ebert's phosphorescent lamp with 2 electrodes. – 2) Crookes' apparatus for experiments on radiant matter. – 3) Crookes' radiometer. – And:

2 Bell-Type Telephones, c. 1880 Butterstamp telephones, pine and black lacquered, suitable for speaking and listening, with horseshoe magnets, height 6 and 6 ¾ in. 2 Bell-Typ-Telephonhörer,

2 Electrostatic Induction Demonstration Models, c. 1900 Glass balls with hanging gold strips, conductors on the top, height 7 ½ and 9 7/8 in. 2 Demonstrationsmodelle "Influenz-Elektrizität", um 1900

Seven Bell-Type Telephone Handsets, c. 1895 Butterstamp receiver, bakelite, ebonite and nickel-plated tin, for speaking and listening, by Stromberg-Carlson and others. 7 Bell-Typ-Telephonhörer, u