Two British railway block bells (one is a gong)

Same as 1 but open. Nice keys.

A two-needle British railway block telegraph

Three Swedish keys

Replica, made by my good friend Denis Asseman, of the Televisor designed and made by Logie Baird (with a Nipkov disk). London late 1920s.

Inside (back) of the Televisor

Inside (front) of the Televisor

Baseboards by Tyer. British military extended KOB. 1Q1900

Baseboards. The transport box, closed.

Baseboards. The transport box, open.

Baseboards. The wiring looks rather like a PCB avant la letter.

Leclanché telegraph battery (France)

Keyboard for the French time multiplexed Baudot telegraph-closed

The same but open

Old (telegraphy?) bell. Eastern Europe

So called Berliner Billiard telephone (the Netherlands). Very rare.

A second view of the Berliner Billiard

Leclanché battery plus a boussole-type galvanometer and a lightning protector both by Bréguet (France)

Bréguet/Chambrier transmitter for the dial (ABC) telegraph. Extremely rare.

Same, top view

Detail of the Bréguet/Chambrier transmitter

Very old Bréguet key

Classic Bréguet telegraph (France 4Q1900-1Q2000)

Very old Bréguet embosser (France 1850s)

Three Bréguet keys

Bright Bells system (England 1850s). An audible telegraph and the predecessor of the Double Plate Sounder (Page 5 photos 6 and 7)

Bright Bells: top view with the relay

A quite unique and beautiful Siemens & Halske coherer/decoherer. Germany early 1900. The coherer was the first detector for wireless telegraphy

Detail of the S & H coherer/decoherer

A toy dial (ABC) telegraph by Benévolo (France)

A very interesting British double key for use on undersea cables (4Q1900)

The bottom of this double key

Another view of this double key

Another two-needle railway block telegraph

A special Ducretet key (France)

An Ericsson wall telephone

A large Ericsson wall telephone

A medium size Ericsson wall telephone

An interesting stock ticker made by the British Exchange Telegraph Company

The other side of the Exchange Telegraph Co stock ticker

Four small keys, used with toy telegraphs

A box with 6 Grenet batteries. Here the electrodes are in the rest (up) position.

And here you see the electrodes in the active position.

A discharger by Griffin (England)

A Henley transmitter (UK, 1850s). Box closed.

The Henley transmitter

A nice Holz electricity machine (1H1900)

A pretty old Briggs induction coil (England 2H1900)

The technician that did the repair work on board ships in the harbour used this key. He disconnected the one of the Marconist and put this one in. Note the clip to fix this key on the table.