Category:Telegraph practice key collection by Joe Haupt (from Flickr stream)

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Media in category "Telegraph practice key collection by Joe Haupt (from Flickr stream)"

The following 6 files are in this category, out of 6 total.

Vintage Brumberger Telegraph Kit, Sold Through the Ideal School Supply Company, Includes 2 Transmitter-Receiver Units, Connecting Wires and Insteruction Manual (11783772304).jpg 4,333 × 2,334; 2.63 MB
Vintage Brumberger Telegraph Kit, Sold Through the Ideal School Supply Company, Includes 2 Transmitter-Receiver Units, Connecting Wires and Insteruction Manual (11783887964).jpg 4,069 × 2,318; 2.21 MB
Vintage J.H. Bunnell & Co., 150 Ohms Telegraph Sounder (8936528984).jpg 4,608 × 3,396; 3.73 MB
Vintage Philmore Code Practice Set, Model CP250, Philmore Manufacturing Co., Inc., New York City USA, Made in Japan.jpg 4,059 × 1,623; 1.43 MB
Vintage Signal Transmitting Key By Signal Electric Mfg. Co. (14973281072).jpg 3,201 × 2,730; 2.35 MB
Vintage Toy Telegraph Practice Keys.jpg 1,417 × 877; 440 KB

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