Vibroplex is the brand of a side-to-side mechanical, semi-automatic Morse key first manufactured and sold in 1905 by the Vibroplex Company, following its invention and patent by Horace Greeley Martin of New York City in 1904. The original device became known as a "bug," most likely due to the original logo, which showed an "electrified bug." The Vibroplex Company has been in continuous operation for 119 years, as of 2024. Amateur radio operator Scott E. Robbins, also known by the call sign W4PA, became the eighth owner of the Vibroplex Company on December 21, 2009. The company is located in K
Vibroplex is the brand of a side-to-side mechanical, semi-automatic Morse key first manufactured and sold in 1905 by the Vibroplex Company, following its invention and patent by Horace Greeley Martin of New York City in 1904. The original device became known as a "bug," most likely due to the original logo, which showed an "electrified bug." The Vibroplex Company has been in continuous operation for 119 years, as of 2024. Amateur radio operator Scott E. Robbins, also known by the call sign W4PA, became the eighth owner of the Vibroplex Company on December 21, 2009. The company is located in Knoxville, Tennessee.
thumb|An advertisement from Martin's Vibroplex from "Telegraph Age", May 1906 thumb|A Vibroplex "Iambic Deluxe" model The most common Vibroplex models have a single lever with a flat thumbpiece, or paddle, on the left side and a fingerpiece, or knob, on the right side.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).