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The Teletype Model 15

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    Volumes

    1. Vol 1 The Teletype Model 15 — Vol 1: The Machine That Ran the Wires From a salt fortune and a cold-storage engineer's experiments to roughly two hundred thousand cast-iron page printers: how the Model 15 came to carry the news, the weather, a world war and, afterwards, the amateur radio teletype hobby.
    2. Vol 2 The Teletype Model 15 — Vol 2: How It Works, Unit by Unit Four boxes that bolt together: a typing unit, a keyboard, a base and a motor. The code they speak, the gear train that keeps them in time, and every function the machine performs, from the selector to the carriage-return dashpot.
    3. Vol 3 The Teletype Model 15 — Vol 3: Models, Variants and What to Buy Reading the codes on the units, telling a TG-7 from a TT-5/FG from a news-wire RO, what turns up for sale today, the checks to make before paying for one, and how to move two hundred pounds of cast iron without breaking it or yourself.
    4. Vol 4 The Teletype Model 15 — Vol 4: Oil, Grease and Old Varnish What the Bell System put in a Model 15, what to use now, where it goes and how much, how to get eighty years of hardened lubricant out first, and how to set the speed of a governed motor once it runs.
    5. Vol 5 The Teletype Model 15 — Vol 5: Adjustments, Faults and the People Who Fix Them The tools, the order of work, the adjustments that matter most with Teletype's own numbers, a fault-by-fault guide, and where to find parts, documents and help: RTTY.COM, GreenKeys, the manual archives and the museums.
    6. Vol 6 The Teletype Model 15 — Vol 6: The Loop and the Computer The 60 mA neutral loop from first principles, why it runs at over a hundred volts, how to build or buy a supply that will not hurt anyone, and how to connect the machine to a PC, a Raspberry Pi, a microcontroller or a radio.
    7. Vol 7 The Teletype Model 15 — Vol 7: Tape — the Model 14 Companions and the Model 19 The machines that punched, typed and read the tape around a Model 15: the perforator-transmitter keyboard, the Model 14 typing reperforator, the transmitter-distributor and the Model 19 that combined them, and how the same tape equipment connects to a computer today.
    8. Vol 8 The Teletype Model 15 — Vol 8: A Model 15 for a Cipher Machine Why a pair of 1940s teleprinters is the right keyboard and printer for a replica of the 1941 PURPLE machine, how they would connect, what has to change, and the other cipher replicas a Model 15 suits.