Jacobs mounted on trees
Jacobs mounted on trees
I found my stack of old Wind Power Digest magazines from the 1970s and 80s, and found an article about Fred Bruns. In the article it mentions a Jacobs that he installed on 4 pine trees, and there is a poor picture of it too. I'm posting a scan of the page here.
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Re: Jacobs mounted on trees
Thanks for posting. Nice read.