Authored
in 1978
The
Telephony
Publishing Co.
asked
Vern
to put this book together.
The book
was
arranged to appear in
Telephony
Magazine over 8 issures.
The
subjects are therefore spread out
to gain reader
interest.
. .
The
author dedcates this book to
Ed
Daverman
Daverman
Assoc.,
Grand
Rapids, Mich.
|
3000
copies were printed
and
sold all
over the world
|
|