This motor has many similarities.  The main difference is that the gear housing at the top on my Dad's is perpendicular, thus the curve faces fore and aft.
 
I plan to bring it up to our place today to get digital pics.
 
Steve Tyree, P-15
 
 
In a message dated 10/30/2003 10:53:01 PM Central Standard Time, pbailey@sbcglobal.net writes:
I'm pretty sure I've found a picture and description of the hand powered
outboard.
Go to :
                    http://www.acbm.us/passion-for-outboards.htm

and scroll down to about the third picture.....Hmmm.... this one has a
crank, it looks like, and
not a  'pump handle'  tiller: there surely could have been more than one
such thing.

-Paul Bailey  M-15 Sassea