[GreenKeys] Battleship model 15

[Jim Haynes]

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.

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 	"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