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. Extensive information about instruments used during the spark-era of radio. By Russ Kleinmann, WA5Y.

Site covers all aspects of Morse telegraphy and telegraph instrument collecting.

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

Early telegraph instruments from the John Jenkins Spark Museum collection.

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

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 colorful presentation of a wide assortment of telegraph instruments.

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

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