Also missing are predecessors to Moline Plow (Adriance, Morgan etc)
I was playing with Geneology software to see is it would be usable for representing this sort of relationship set. It is , unfortunatly, very stubbornly convinced that people have exactly 2 parents, something not true for companies, so I don't know if this will work.
The data set was quick and dirty to see how it worked out with more or less actual data, but it is not really complete, or well checked here...
>A. C. Evans Mfg. Co. was acquired in 1905 by The American Seeding Machine Co
This is another limitation of the software I can't find a way around, representing intermediate aquisitions and spinoffs isn't really what the software does well :(
>... sold it's rights to The Evans Superior Potato Planter
Even more complicated, as there is no actual entity, just rights...
But important, Some of the early companies aquired nearly all of their manufacturing rights, and thus products, from other companies..
And for purposes of wrenches, this is critical...
>P. P. Mast
Data set primarily from Farm Journals, but reference citation tracking is another reason I am playing with this software....
With due respect to Wendel, I trust sources closer to the origin date more than compiled data, but there are conflicts in the journals as well, founding dates for Hoosier Drill for example are totally contradictory..