A photo from a 1909 edition of Motorcycle Illustrated showing inside views of the Consolidated Manufacturing Company in Toledo, Ohio, where Yale motorcycles were manufactured. And below that an advertisement for the Yale. The text associated with the photo reads:
The new machine so popular this year is evidence of the unlimited facilities and careful constructive methods available In the machine room are installed numerous up to date machines especially adapted to motorcycle and bicycle work Every part turned out is machined in special jigs and gauged with micrometers The care exercised in this department insures excellent results from the complete motor The illustration on the opposite page shows the frame building department Every frame is built to exact measurement from specially tested tubing and drop forged connections in jigs of special design insuring absolute alignment Brazing is in an open fire by men having years of experience in this work and every care is exercised to see that this most important feature of motorcycle building is perfect.

Views of the plant where Yale motorcycles were made in 1909.

A 1909 Yale Motorcycle win ad.