Site dedicated to Canada's railway telegraph, agents, operators, and railway.

Early telegraph instruments from the John Jenkins Spark Museum collection.

Descriptions of a common telegraph key used by the U.S. Army Signal Corps.

The entire 19th century book by Franklin Pope is viewable at this site. This was the standard reference book used by the U.S. Signal Service.

An assortment of telegraph keys from the personal collection of Marshall Emm, N1FN.

Informational and photo display site on telegraph keys. Includes information about instruments used during the spark-era of radio. By Russ Kleinmann, WA5Y.

An assortment of telegraph instrument images compiled from several early physics apparatus collections by Professor Thomas Greenslade Jr. of Kenyon College.

A tribute to Morse telegraphy and resource for wire and wireless telegraph key collectors and historians by Neal McEwen, K5RW. A resource for wire and wireless telegraph instrument collectors and historians.

The Telegraph Museum on this site contains hundreds of images of American and foreign telegraph instruments from different eras. Presented by Tom Perera, W1TP.