Abraham Lincoln in Michigan

[RJNorton]

(08-31-2014 05:29 PM)LincolnMan Wrote:  I have also heard that Lincoln's idea for his invention originated with his episode on the Sangamon River regarding a craft he helped set free.

That's what I thought (and had previously read), too. I think author Ralph Gary was probably thinking from a chronological standpoint - Lincoln saw the stuck steamer in 1848 and got the patent in 1849.