“Instructograph” Vintage Code Training Device
Read the original article here.
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- Before Restoration as Received
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- A Felt Washer Under the Right Reel Would Prevent Tape Slack
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- The Crank Can be Unscrewed and Stored Inside the Case
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- Tape Perforations Can be Seen Where Tape Loops Around Post
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- The Pointer Arm Sets the Playback Speed. The Black Knobs Adjusts Sounder Current
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- New Case & Lid – Texture Painted, Not Fabric Covered as Original
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- Instructograph in Operation With a Railroad Telegraph Sounder
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- Tapes Were Bi-directional; the Hand on the Leader Identified the Lesson Number
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- Five of the Ten Available Tapes in a Full Set
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- Wind-up Phonograph Motor Drives the Reels
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- The Disk on the Right End of the Governor Acts as a Speed Brake
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- Worm Gear for Winding. The Coil Spring on the Shaft is a One-Way Clutch
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- As Speed Increase, Flyweights Pull Brass Brake Disk to Left
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- Stationary Flyweight Governor
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- Manual Cover
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- Sample Manual Page