I’m pretty sure the model 28 projector got used shipboard. 
And here’s a film of the M15 version in use shipboard during WW2
https://catalog.archives.gov/id/78116

M15 projection set (TT-71/FG)
https://www.navy-radio.com/tty/tt71-projector-02.jpg

M28 projection set (AN/UGR-1)
https://www.navy-radio.com/tty/ugr1-projector-03.jpg

More photos here
https://www.navy-radio.com/tty.htm
And the manuals are here
https://www.navy-radio.com/manuals-ttycorp.htm

I wonder if any survived???

Nick England K4NYW
www.navy-radio.com


On Mon, Apr 28, 2025 at 7:40 PM Jim Haynes <jhhaynes@earthlink.net> wrote:

I remember Walt Zenner talking about something once - maybe it was
in the book he and Bob Reek co-authored.  Something about a projector
Model 15.  They wanted it for pilot briefings on aircraft carriers
because things on the ship were too noisy for the pilots to hear what
the briefers were saying.  Anyway he said it was a problem with the
mass of the type basket and the ship rolling, so they put together a
machine with two type baskets moving in opposite directions.  I don't
know if he was kidding or if it was just an experiment that didn't go
into production.

        ---

        "Ya can argue all ya wanna, but it's dif'rent than it was."
        "No it ain't! No it ain't!  But ya gotta know the territory."
                Meredith Willson, The Music Man
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