The items shown are identified by numbers and German text, including:
1. Magnetinduktor:
A magnetic inductor.
2. Morseklopfer:
A Morse key.
3. Nadelklopfer:
A needle key.
4. Spiegelgalvanometer:
A mirror galvanometer.
5. Siemensscher Zeigertelegraph:
Siemens' pointer telegraph.
6. Magnetzeiger von Siemens & Halske:
Magnetic pointer from Siemens & Halske.
7. Sender zu Fig. 6:
Sender for Figure 6.
8. Detail zu Fig. 10:
Detail for Figure 10.
9. Magnetzeiger von Wheatstone:
Magnetic pointer from Wheatstone.
10. Empfänger zu Fig. 6:
Receiver for Figure 6.
11. Breguets Zeigertelegraph: Sender:
Breguet's pointer telegraph: Sender.
12. Empfänger zu Fig. 11.:
Receiver for Figure 11.
Illustration of various telegraph machines
Antique Print
1897
Original
Size:
6.5 in x 9 in
15
cm x 23 cm
Condition: Very good
Returns accepted