They've always made things in Dayton...even before easy access to wider markets peoples minds where on industry (Dayton was founded by people from New Jersey, so maybe Patterson was on their mind?)...
...a Fourth of July toast was "..To manufactories...may our exports exceed our imports!"
So, a few pix of an early waterpower district...fed by a hydraulic race.
First some old maps showing the "hydraulic" and the mill complex..one that lists the firms operating at the site.