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20350 GYRALITE


Note midline mounting bar of 20350 Gyralite bulb socket assembly in upper headlight openings:
Left - SP No. 6030 PA2
Right - Charleston & West Carolina Railway (CWC) No. 901 F7A



The following photos were taken at the Golden Gate Railroad Museum. This 20350 Gyralite exhibited a circular beam path. The motor in the unit had the appearance of the ones in the original 20585 Gyralites. The 20350 unit had a gearbox that looked like the standard 80:1 double reduction gearbox that is used in the 20585 Gyralites. (It appears that the 32 volt 20585 and the 32 volt 20350 had identical motors and gearboxes.)
This unit was designed to advance and retract a red glass bowl over the mounted bulb by means of a threaded rod. Rotation of the rod in one direction would advance the bowl towards the bulb, whereas rotation in the opposite direction would retract the bowl from its position over the bulb.
The photos of the unit with the bulb illuminated were taken at an angle to prevent obliteration of the structure's detail by the intensity of the projected light.



This source of this picture is the November 1, 1951 Bulletin No. 209 of The Pyle-National Company



20350 Gyralite: patent info spec. sheets
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