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.

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

A telegraph instrument collecting site located in Greece by ham radio operator, Apostolos Bourousis, SV1EDT.

Online personal museum from Italy of telegraph keys and related items.

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

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