-Scott Robbins W4PA, owner of the Vibroplex Company Inc., for his permission to make use of the Vibroplex Logo, information and pictures on my website.

VIBROPLEX Company Inc.
Superb telegraphy equipment
2906 Tazewell Pike
Suite A2B
Knoxville, TN 37918 USA
www.vibroplex.com

The spare parts listet under „Vibroplex“ are exclusively original parts by the Vibroplex Company Inc.
The „Vibroplex bug“ is a copyright-protected logo of the Vibroplex Company Inc.

-Tom French, W1IMQ, for his permission to make use of information, excerpts and photos from his books, mainly the „Vibroplex Collector's Guide“.

Artifax Books
Telegraph, Radio and technical books
151 Barton Road
Stow MA 01775 USA
www.artifaxbooks.com

-Tom Perera, W1TP, for his particulars and permitting me making use of information and photos from his websites.

W1TP’s TELEGRAPH & SCIENTIFIC INSTRUMENT MUSEUM
www.w1tp.com

-Sid Lipkowitz VE3ZSX, for permission to use his picture of the Vibroplex "Venus".