Telegraph Patent Drawings, Information, and Keys from
The Gil Schlehman - K9WDY Telegraph Collection

Edited by: Prof. Tom Perera Ph. D. - W1TP
( Second Edition: Copyright (c) 2005, 2025 )
4 Vertical Vibroplex Keys
These Four Vibroplex Vertical Keys show different versions of this rare key.

COLLECTOR GIL SCHLEHMAN - K9WDY:
Gil Schlehman has been collecting Telegraph Keys for many years. He specializes in Semi-Automatic and Automatic Keys ('bugs') but he has also acquired outstanding examples of Early Landline, Wireless, Military, and Paddle Keys. This CD displays his collection in a series of 383 labeled high resolution color photographs that can be viewed in linear pages dedicated to each category of key. Each picture can be enlarged to allow study of fine details by simply clicking on the photo. In additon, a total of 545 Telegraph Patent Drawings, Advertisements and Articles are included for historical and reference purposes.

NOTE:A link to corrections and updates for this library (formerly cd) is posted on the internet at href="http://w1tp.com/tcrcdcor.htm">http://w1tp.com/tcrcdcor.htm

GIL SCHLEHMAN'S TELEGRAPH KEY COLLECTION (383 color photographs)

****SCROLL DOWN TO THE BOTTOM OF THIS LIST TO SEE THE KEY SLIDE SHOW***

The keys are presented in alphabetical order according to their most commonly used names.

TELEGRAPH PATENTS (6 pages of lists)
This section of the Gil Schlehman Collection is dedicated to listing telegraph patent information compiled by Gil Schlehman. This section is useful in helping to find a specific patent. This section can be searched or browsed and it includes a handy listing of the dates of issue of American patents.

TELEGRAPH BUG AND RELATED PATENT DRAWINGS (127 pages):
This section of the Gil Schlehman Collection shows 127 interesting and sometimes amusing telegraph bug and related patent drawings in a large easily scrolled page.

GENERAL TELEGRAPH PATENT DRAWINGS (227 pages):
This section of the Gil Schlehman Collection shows 227 interesting and sometimes amusing telegraph patent drawings in a large easily scrolled page.

Telegraph Advertisements and Information (190 pages):
This section of the Gil Schlehman Collection shows 190 Telegraph Key Advertisements and pages of information in a large easily scrolled page.


A SELECTION OF PICTURES OF THE GIL SCHLEHMAN COLLECTION
Semi-Automatic and Automatic Keys (Bugs), Landline Keys, Wireless Keys and Military Keys: (301 Photos)

CLICK TO START. RIGHT ARROW or LEFT ARROW to Advance/Review Slides


Semi-Automatic and Automatic Keys (Bugs), Landline Keys, Wireless Keys: (301 Photos)

Separate Slide Show of Military Keys: (17 Photos)

Separate slide show of Paddles and Keyers: (20 Photos)


Battle for a Telegraph Key.jpg
Gil Schlehman - K9WDY (Left) Battles with Tom Perera - W1TP (Right) for a telegraph key at the Antique Wireless Association Conference in 1999

COPYRIGHT NOTICE:
Although all the pictures and text are copyrighted, you may use any of them for your own personal applications including public lectures and demonstrations. If you wish to use them in publications or websites or offer them for sale to the public in any form, you must contact Gil Schlehman at the address given at the bottom of this page. Please also see the disclaimer of warranty.


NOTE: GIL SCHLEHMAN IS ALWAYS INTERESTED IN TRADING AND/OR BUYING VERY UNUSUAL TELEGRAPH KEYS !


Contact Information:

Gil Schlehman - K9WDY
337 Indianapolis Avenue
Downer's Grove, IL 60515

Telephone: (630) 968-2320
Email: K9WDY@qsl.net
Website: http://w1tp.com/mgil.htm

Also Please Visit: The W1TP telegraph Museum at http://w1tp.com
This CD as well as Perera's Telegraph Collectors Price Guidebook, Perera's Telegraph Collectors Reference CD, The Story of the ENIGMA: History, Technology, and Deciphering CD, and many other telegraph and related books are available from:

ARTIFAX BOOKS
151 Barton Road.
Stow, MA 01754

http://www.artifaxbooks.com

Email: artifaxbooks@yahoo.com