Cottle Windmill, Patent Model

This model was submitted to the U.S. Patent Office with the application for the patent issued to J. and F. M. Cottle, October 21, 1879, no. 220751.
This mill has a double-rimmed steel wind wheel made up of small wedge-shaped vanes, which are removable to permit regulation of the power of the mill. The wind wheel cannot be swung out of its position, but the shaft is carried in sliding bearings so that the gear on the shaft can be disengaged to let the wheel run free. It is equipped with a selective gear transmission. The model shows the mill attached to the bucket chain of a well.
This description comes from the 1939 Catalog of the Mechanical Collections of the Division of Engineering United States Museum Bulletin 173 by Frank A. Taylor.
Currently not on view
Object Name
patent model, windmill
date made
patent date
Cottle, Zorah
Cottle, F. M.
overall: 12 7/8 in x 11 1/4 in x 11 3/4 in; 32.7025 cm x 28.575 cm x 29.845 cm
place made
United States: California, Oakdale
associated place
United States: California, Oakdale
ID Number
accession number
catalog number
patent number
Engineering, Building, and Architecture
Industry & Manufacturing
Bulletin 173
See more items in
Work and Industry: Mechanical and Civil Engineering
Bulletin 173
Data Source
National Museum of American History, Kenneth E. Behring Center
Related Publication
Frank A. Taylor. Catalog of the Mechanical Collections of the Division of Engineering United States National Museum, Bulletin 173

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