ALPHABET DIAL TELEGRAPH.


Breguet-Style Dial Telegraph
French
1870



Demonstration Dial Telegraph Receiver
French
1870



Dial Telegraph
Sender and Receiver Combination
Italian
1860



Dial Telegraph
Deleuil
French
1855-1865



Ruhmkorf Alphabet Dial Telegraph
French
1840

The telegraph is an early example of the Wheatstone apparatus and is made from silver, brass, mahogany and iron. See pg. 100 figs. 13a and 13b in Pioneers of Electrical Communication.


Breguet Dial (ABC) Telegraph Receiver
(French)
1850 - 1870



Dial Telegraph Kit
French
1870

In green covered paperboard box, with instructions, 2 spools of silk-covered green wire and battery. Box measures 12" x 9"x 3-3/4". Sending and receiving dial telegraph apparatus used to demonstrate Wheatstone's alphabet dial telegraph invention.


Alphabet Dial Telegraph
Breton Freres
French
1860



Toy ABC Telegraph
4th Qtr 19th Century