A blueprint page from the 1905 Murphy Windmill Restoration Project.
The historic Murphy Windmill is in Golden Gate Park on Martin Luther King Jr. Drive, near Lincoln Way at Ocean Beach, San Francisco.
August 3, 2011
© 2011 Ronald D. Henggeler. All rights reserved
The image is not in the public domain. It is the sole property of the artist and may not be reproduced on the internet, sold, altered, enhanced, modified by artificial, digital or computer imaging or in any other form without the express written permission of the artist.