Re: Pat’d 1892 Salisbury’s Electric Boat Propeller

[Anonymous]

This looks like the patent:

http://www.google.com.na/patents/US486684
https://docs.google.com/viewer?url=pate … 486684.pdf

It’s certainly rare, and I can imagine it would matter to some people whether it’s conserved, restored or customized.
It’s only in "as found" condition once, and there don’t seem to be many like it.