The Vibroplex Collectors Guide by Tom French - W1IMQ

These WEB pages are dedicated to the PRESERVATION of Telegraph History, Lore, and Instrumentation.

The Vibroplex Collectors Guide written by Tom French - W1IMQ is in its 3rd Edition.
You may order it from Artifax Books: http://www.artifaxbooks.com
A few excerpts are shown below:

This is the cover page from the Vibroplex Collectors Guide:

Here is a page from the Vibroplex Collectors Guide that shows a Vibroplex Advertisement from 1947. (From The Vibroplex Collectors Guide by Tom French: www.artifaxbooks.com)

Here is the patent drawing from the critically important 1904 Martin Patent that established Martin and Vibroplex as the only company that could legally produce telegraph keys that made strings of dots by tensioning a spring action. (From The Vibroplex Collectors Guide by Tom French: www.artifaxbooks.com)

Here is the first page of the 1904 Martin Patent that established Martin and Vibroplex as the only company that could legally produce telegraph keys that made strings of dots by tensioning a spring action. (Text layout copyright (c) Tom French.)
(From The Vibroplex Collectors Guide by Tom French: www.artifaxbooks.com)

Here is the second page of the 1904 Martin Patent that established Martin and Vibroplex as the only company that could legally produce telegraph keys that made strings of dots by tensioning a spring action. (Text layout copyright (c) Tom French.)
(From The Vibroplex Collectors Guide by Tom French: www.artifaxbooks.com)

• Click BACK to return to previous page.
  

Tom Perera Ph. D. - W1TP
Professor Emeritus: Montclair State University

• Email Address:
  (I receive over 200 spam messages daily.
  To help me avoid them, I ask you to type my email address as follows with no spaces between words:)


• PLEASE TYPE: keys


• THEN TYPE THE @ SYMBOL


• THEN TYPE: w1tp.com


• Please NOTE: It is w1tp Not: wLtp or wItp.
• Please NOTE: You MUST include the word KEYS in the Email Subject Line.
• ( Please Inquire Before Sending Attachments Larger Than 100KB ! )