Horace Martin invented the semi-automatic "bug" code key and started the VIBROPLEX company in 1905. He got it right on the first try, and today we are still offering Martin's original key …

The Vibroplex bug key was designed to reduce the number of wrist movements required to send a Morse code message. To achieve this the Vibroplex or bug key uses a paddle that moves from …

During WW2, Vibroplex helped support the war effort by making bugs for the US Army Signal Corps. They were given the Signal Corps designation J-36 and bore a different nameplate …

Numerous Vibroplex keys are available to this day; the company presently markets and sells 27 variations of Morse code keys, including the Original Bug, iambic paddles, the Vibrokeyer (an …

This page is intended to help Vibroplex owners identify their bug. If the serial number of your bug is between about 175,000 and 275,000, it’s easy to tell which model you have — just turn it over.

Vibroplex Original Bug keys are a genuine piece of history. First patented in 1904, the Originals are still manufactured today, using tools and dies very similar to those used by their inventor, …

A report on identifying and dating Vibroplex Bugs by Paul Bock - K4MSG of Hamilton, Virginia.

Whether you’re new to using a Vibroplex bug or have struggled with its many adjustments, I break it down in a straightforward and easy-to-follow way that should work for you the very first time.

Vibroplex discontinued the Lightning Bug shortly after the company was moved to Maine in 1979. Just before the Lightning Bug was discontinued, some were made with Sienna Brown and …