TY  - BOOK
AU  - American School of Correspondence
TI  - Cyclopedia of Telephony and Telegraphy Vol. 1: A General Reference Work on Telephony, etc. etc
AV  - TK 
PY  - 2005///
PB  - Project Gutenberg
KW  - Telephone
KW  - Telegraph
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/15617
ER  -