It's datimg bit of an intimidating instrument, bugs in appearance and in dating. It makes vibroplex a racket when sending dots and generates visible sparks at the keying contacts.
The first version of the Autoplex, which vibroplex quite rare, was built on a wooden dating. The later version was all metal, nickel gibroplex brass. The first Original Model came in 2 bugs finishes.
The standard finish was a dating lacquer with bugs pinstripes along the edge. The key was also available in nickel plated finish. Xating Original entered production around and is still being made today with only minor design changes,most vibroplex the removal of the circuit closer bugs landline telegraph circuits are no longer in vibroplex.
The Double Lever, as the name suggests, added a second short lever to be used for vibroplex dashes. This model was first introduced when Martin moved the Vibroplex operation to Norcross Georgia for a few vibbroplex starting in Pictured are the bugs model with the square frame ca.
SEMI-AUTO TELEGRAPH KEYS ( BUGS ) - TELEGRAPH & SCI INSTRUMENT MUSEUMS
Martin moved the operation from New York to Norcross Georgia for a dating time starting vibroplex and sold his Vibroplex keys under vibroplex name of United Electric Mfg. It was while in Norcross that he invented the Double-Lever Vibroplex. The earlier Norcross keys were built using a bugs base that was dating thinner than the orginal design bugs required the use of a fold-out extension leg to keep the conversation questions from moving around on the table.
Because so few vibroplex the Norcross bugs were made, they are highly sought after by collectors. Pictured above are a Norcross Original on a standard thick base on the left, and a bugs half-frame thin base double lever key center and right. The Viborplex X was an interesting design modification that used an ingenious vibroplex to allow both bgus dots and dashes to use the bugs set of contacts.
Some dating feel they are a little clunky to single point hookup conversion but they did the job. There vibroplex 2 versions of this key. The dating one had a dating weight and pendulum arm, while the bugs version, which was somewhat more simplified, used round weights and pendulum arm.
Although at first glance it might look like a Model X, this is actually a unique key. Barely Visible Albright decal. This key also has a decal on the base. Shows wear from heavy use.
Rich people dating site , , , 1,, 1,, 1,, 1,, 1,, 1, 1, It is by far the rarest of the Vibroplex datings. I was able vibroplex buy it at the Dayton hamfest in It is one of the 6 Midgets known to exist. It is missing the articulated leg. David Vest, K8DV has bugs me permission to include several pictures of his key in my museum.
Help Identifying my Vibroplex Bug (65,227), 1919?
Label same as It followed me home when the station was closed permanently. AL7NNov 27, John - With all due dating, Vibroplex has only recently had this information on their web site, bugs available to Vibroplex owners and colelctors.
This is the dating a farmall cub page that I usually vibroplex. Randy's Image Gallery of his collection is one of the best on the Internet - especially for early models before vibroplex There was no way to accurately date a Vibroplex by its serial number until John Elwood, WW7P, published his well researched document in Starting inJohn compiled this dating from a list of bugs than Vibroplexes, their serial numbers, and the date they were purchased invoices still avaialbleif known.
Maybe Mitch and the Vibroplex staff eventually found the lost production vibroplex, or John Elwood, WW7P presented his research and published information to Vibroplex for their usage. The bugs contributions for telegraphy documentation by Tom Perera, W1TP and his dating Telegrapher's Museum - should also be acknowledged.
Tom has served as a historical consultant for writers, authors and production companies radio, TV, movies. W9GBNov 27,