Advertising Pinback Button: The Heller-Aller Co Windsor

This round advertising pinback button was made by the St. Louis Button Company in Missouri in the early 1900's.

It features an illustration of a Heller-Aller Baker Windmill in black ink with red detailing against a white background with the text "The Heller-Aller Co" and "Baker" and "Windsor, Ont".  

The Heller-Aller Company was an American manufacturer of wind engines and steel towers, was established in Napoleon, Ohio in 1884. The company established a manufacturing plant in Windsor, Ontario around 1913, which made “Baker” all-metal windmills.

Condition: Good used. Celluloid cover intact. See photos for details.

Dimensions:
Diameter – 0.75"
Weight: 1 gram