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October 15, 2015 at 12:56 pm
#7343
Bill Pollard
Participant
The blades on this semaphore are the older “ribbed” blades (ribbed near the area where the blade mounts to the signal head). Some were later replaced with a flat blade which had to be modified to fit this type of head casting. Does anyone know the manufacturer for any of the train order signals used by MP? Upper quadrant semaphores were standard practice in later years, but early photos of depots often will show lower quadrant train order signals. Is there any documentation on when the signal standard changed?
Bill Pollard
