Geometric Model by A. Harry Wheeler, Pole of a Great Circle

Wheeler, Albert Harry

This tan cut and folded paper model consists of two perpendicular circular discs and a circular ring perpendicular to both of the discs. The discs and ring all have the same radius. A sticker on the model reads: Pat 1,192,483. Another sticker reads: A. Harry Wheeler. A third sticker (loose from the model) reads: POLE OF A GREAT CIRCLE. A fourth sticker reads: PGC^*.