Tesla Company letterhead. Note the words "World Wireless Telephone Transmitter."
Wireless Body Pack Transmitter $240.00
Wireless Powered Dual Speaker Wireless Speakers Type: Not include transmitter $418.99
This publicity photo taken at Colorado Springs was a double exposure. Tesla poses with his "magnifying transmitter" capable of producing
# PetSafe Wireless Instant Fence Extra Transmitter System (Model IF-100) $239.99