Seeking photos of Royal Brake Regulators

Mark Heiden

Hello everyone,

I'm looking for photos of the Royal Brake Regulator as used on some
Santa Fe and Burlington boxcars. The cars in question are ATSF 138700-
139199, class Bx-44, and CBQ 17000-17799, class XM-32b. I think I've
found the patent drawings for the brake regulator, but I'd like some
photos to see how they were installed.

Mark Heiden

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