NYC drawing Q53551 is for AB brake system retrofits on many of these cars.  According to that drawing the brake cylinder and the reservoir are on the same side of the car. the valve is on the other side of the car directly opposite the reservoir. This makes for a very clean routing of the pipes.
The drawing is available from the NYCHS.

Roger Hinman

On Jan 26, 2016, at 11:45 PM, WILLIAM PARDIE PARDIEW001@... [STMFC] <STMFC@...> wrote:

Ted Culotta's STEAM ERA FREIGHT CARS REERENCE MANUAL VOLUME 1 has several good shots of the NYC USTA design steel
boxcars. The cars in several shots have been converted to an AB brake system. In these shots it is clear that the air reservoir is on
the same side of the cara as the brake cylinder. What I cannot determine is the location of the striple valve. Any help would
be greatly app[reciated.

Thanks in advance for any help:

Bill Pardie

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