390

Vintage Instructograph

Currency:USD Category:Antiques Start Price:50.00 USD Estimated At:100.00 - 200.00 USD
Vintage Instructograph
Due to the exorbitant fees associated with credit card processing, Tim's Inc. Auctions DOES NOT ACCEPT CREDIT CARDS OR PAYPAL. No credit card payments of any kind will be accepted. Please read our full terms and conditions prior to bidding on this auction.
The Instructograph was a paper tape-based machine used for the study of Morse code. The paper tape mechanism consisted of two reels which passed a paper tape across a reading device that actuated a set of contacts which changed state dependent on the presence or absence of hole punches in the tape