you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code. [Our Own Devices] has an ancient specimen of the machine and shows us how it works in the video ...
The military had a great interest in training Morse code operators at one time. They had machines that used inked paper tape like the TG-34-A in the video below. There was also the Instructograph ...
Tuesday’s mention of “train smash” of mince with tomato sauce brought word from William Galton of Hurstville Grove that ...
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