WARNING! - WARNING! 
Very High-Speed Broadband required !!
(It could take many hours or even days to load these pages with dial-up or 
slow broadband.) 
These online MUSEUMS are dedicated to the PRESERVATION of TELEGRAPH and 
SCIENTIFIC History, Lore, and Instrumentation: These are no-frills 
museums designed for rapid and easy searching and downloading to facilitate 
research by serious collectors and historians but accessible to anyone who 
is interested in telegraph and scientific instruments. As a telegraph 
operator and collector for over 50 years, I have assembled a collection of 
over 3000 telegraph and scientific instruments and photographs.  I am always 
looking to acquire or photograph very old and unusual keys and instruments!! 
 
                              
SPECIAL TELEGRAPH-RELATED RESOURCES:
* * TELEGRAPH COLLECTORS REFERENCE
CD - (SECOND Edition) * * (Details & Ordering Information)
 
Thousands of Inline Photographs, Descriptions, Books,  
& Reference Information. A complete Telegraph Reference Library for 
PC and MAC!.$15.
* * Perera's TELEGRAPH COLLECTORS GUIDE (2nd. 
Edition) * * (Details & Ordering Information)
 
100 pages, 300 photographs, descriptions, prices, 1200 item index, for only 
$20.00 !
 
(Latest Internet-Revised Price Guide) ** 
(Corrections) **  
(Info & Updates for the 1st. Edition)
 
* * HOW TO RESTORE TELEGRAPH KEYS: 
W.R. Smith, W4PAL * * 
(Details & Ordering Information)
 
The best and only book of its kind; displays every procedure !
 
* * AUSTRALIAN TELEGRAPH HISTORY CD-ROM: 
Ron McMullen  * * 
(Details & Ordering Information)
 
The only compendium of Australian Telegraph and Key History !
 
* * THE STORY OF THE ENIGMA CD: History, Technology, and 
Deciphering (NEW 4th Edition!) * * (Details & Ordering 
Information)
 
This newly expanded CD tells the complete story of the ENIGMA ! Thousands 
of pictures, 9 books, Enigma simulator programs, construction projects, other 
cipher machines, 4 action videos, a 30-minute M-209 training video... 
and much more. $15. ** 
 (Updates & Corrections for all editions)
 
* * The Antique Wireless Assocation TELEGRAPH ANTHOLOGY CD: Every telegraph article ever published by AWA and much more! $15.
SPECIAL ANNOUNCEMENTS and TELEGRAPH-RELATED EVENTS: 
 
Internet ENIGMA Museum:  
 
 
COPYRIGHT NOTICE: (Copyright (c) 2023: Prof. Tom Perera Ph. D.)
I attend these events every year and HIGHLY RECOMMEND them to 
telegraph enthusiasts:
 DAYTON HAMVENTIONs: www.hamvention.org 
(May. Dayton, Ohio)
-->> Usual SPACES 2555-2551
ANNUAL ANTIQUE WIRELESS ASSOCIATION CONVENTIONS: 
http://www.antiquewireless.org: (August. Rochester, NY)
DEERFIELD, NH HAMFEST:
www.near-fest.com: 
Largest in the Northeast!
NEW ENGLAND ANTIQUE RADIO CLUB:
www.nearc.net, Manchester, NH, Big bi-annual meet in it's 20th year. 
I exhibit telegraph keys dating from before the Civil War to the present as 
well as Enigma cipher machines. History, Appraisals, and Answers.
Bring your old, and unusual keys, photographs, and stories so I can 
expand the information in my museums.  See you there !!
* * VINTAGE BUG NET:
Put your favorite bug on the air: Wednesdays at  9:30PM Eastern Time 
on 3570 AND Wednesdays at 10:00PM on 7070 KHz.  All are welcome !!
WEBSITE MAP: - -  In This Website, You Will Find (In this 
order):
GENERAL INFORMATION:
 
(To SEARCH this Website, click on:
** SEARCHABLE TELEGRAPH INVENTORY **: Search this 
big page with the EDIT/FIND-ON-THIS-PAGE function of your browser: 
Identify the Inventory Number you want: and then find it in the 
TELEGRAPH MUSEUM SECTION.)
100 pages, 300 photographs, descriptions, current prices, 
and a 1200 item index - See this link for ordering
information, updates, and corrections, and downloadable
price list.)
Theory, and Construction of the "Electric Telegraph": 
Includes publications and periodicals of interest to collectors:
THE TELEGRAPH MUSEUM - INLINE PICTURES VERSION:
(The instruments are in approximate chronological order: Oldest first.)
(***PLEASE WAIT FOR ALL PICTURES TO LOAD !***)
***Some pages will take MANY minutes to load***
THE SEARCHABLE, COMPLETE TELEGRAPH MUSEUM INVENTORY:
 
A list of all of the museum's telegraph items. The entire list may be searched 
directly with your internet browser's search function or it may be downloaded 
as an ASCII text file and searched using the search function of any word 
processor as an aid in finding and identifying unknown keys.  
(all of the keys currently owned by the museum are available in trade 
for very early or unusual telegraph instruments.)
(NOTE: This is a large 500KB file and it may take a while to load.)
 
WARNING***WARNING***NOTE*** NOTE !! :
To LOAD in all of these pictures, you will need an EXTREMELY FAST COMPUTER
with a VERY LARGE MEMORY and it will still TAKE MANY MINUTES !. 
Probably the best way to do this is to save the entire CD on your hard disk so 
all the pictures can be accessed quickly.  (Example:  It took 2.5 minutes to 
load this entire list from the HARD DRIVE of a 1GHz. computer with 512M memory 
and over 10 minutes from the CD DRIVE).
 
SPECIAL REPORTS and NEWS:
 Telegraph-Related Activities:
With  Detailed photos of all layers of the cable: (BIG 
slow-loading (3min) file!)
THE OTHER MUSEUMS: ENIGMA CIPHER MACHINES, 
SCIENTIFIC & MEDICAL INSTRUMENTS, RADIOS, MICROPHONES,  
PSYCHOLOGICAL RESEARCH APPARATUS, and COMPUTERS:
OTHER TELEGRAPH AND WIRELESS  - COLLECTORS and their COLLECTIONS:
INTERNET LINKS TO OTHER COLLECTORS' PAGES AND RELATED SITES:
                                   
Alternate Addresses:
http://www.chss.montclair.edu/~pererat/telegrap.htm
http://www.qsl.net/w1tp
CONTACT INFORMATION
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Please Note: IF YOU DO NOT RECEIVE AN ANSWER TO YOUR EMAIL 
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IT MEANS THAT I CAN NO LONGER RESPOND.
Please use internet search engines to find other information if you do not receive a reply.
Professor Emeritus:
Montclair State University
Internet On-Line Telegraph & Scientific Instrument Museums:
 
I ask you to type my  email  address as 
follows with no spaces between words:)
Please use internet search engines to find other information if you do not receive a reply.
IF you do not receive a reply my spam cleaner might have intercepted your 
email.
Pease try again with a different Subject and Text.
http://w1tp.com
https://EnigmaMuseum.com
Although all the pictures and text are copyrighted, you may use any of them 
for your own personal applications including public lectures and 
demonstrations, publications and websites as long as you mention the 
w1tp.com Museum.  If you plan to offer them for sale to the public 
in any form, please email me for permission which I will generally grant as 
long as you mention my museum: http://w1tp.com or https://EnigmaMuseum.com  My email address is 
given at the bottom of this page.  Some of the material may require contacting 
other copyright owners for commercial use and I will inform you by email. 
Please also see the Disclaimer of Warranty.