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

A resource for wire and wireless telegraph instrument collectors and historians. Several images of instruments are viewable in the photo galleries.

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

Includes information about identifying and dating Vibroplex Bugs. (Semi-automatic telegraph keys used by telegraphers and radio operators to send Morse code.)

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

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

Early telegraph instruments from the John Jenkins Spark Museum collection.

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

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

The personal Vibroplex and telegraph collection of Frank O. Remington.