Teletype ASR-28
http://www.qsl.net/ka4rsz/asr28.htm

-BELL'S LIQUID TRANSMITTER
http://www.me.psu.edu/lamancusa/ProdDiss/Phone/phone2.ppt

-Bell's Box Telephone of 1877
Antique - http://www.antique-art.com.au/gallery/items/3178.htm
Collectors - http://www.telephonelines.net/menus/collectors_thumbs_menu.htm

IMPROVEMENT IN TELEGRAPHY
http://jefferson.village.virginia.edu/albell/bpat.2.html

Java Morse Code Translator
http://www.soton.ac.uk/~scp93ch/refer/jmorse.html

SAMUEL F.B. MORSE
http://web.mit.edu/invent/iow/morse.html 
 http://www.soton.ac.uk/~scp93ch/morse/

ASCII CODE
 http://computer.howstuffworks.com/bytes3.htm 

Baudot Code
http://www.smeal.psu.edu/misweb/datacomm/id/baudcode.html 

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