A switching panel belonging to the central side equipment of a stock ticker system. 3

Detail of the switching panel. 3

A tariff calculator: to calculate the cost for sending a telegram in function of the destination. 3

A detail of the tariff calculator. 3

Another detail of the tariff calculator. 3

A Tesla system (high frequency, high voltage) by Griffin (I think), England. 3

A translator by Digeon, France (1897 model). 8

Another view of the Digeon translator. 8

A very nice and special Twin Station by Siemens Brothers (London). 8

A detail of the Twin Station. 8

Another view of the Twin Station with the 2 relays and the special lightning protector. 8

Very old relay. 1

Very special and very old British GPO key. 8

Bottom of that GPO key. 8

The contacts of that GPO key. 8

A top view of that GPO key. 8