The Casey-Cavin reverse gear (patented 1913) was designed
by William Casey, general manager,
NOTE: While this air-operated power gear was a big help to engineers in easing the work of changing directions, especially when switching, it had a peculiar habit of not making the change under some quick movements of the cab lever, resulting in the engine going briefly in the wrong direction! This is something I have observed first hand from inside the cab of ex CNR 89 at Steamtown USA in Bellows Falls, Vermont. R. L. Kennedy.
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