In 1879 this firm had employed 50 men, mostly making sawmill machinery.
Information Sources
- From The History of Clinton County Iowa by L. P. Allen, 1879, and available online at rootsweb.com:
J. W. Brentlinger... has had the management of the Union Iron Works for several years past; they do a large business, employing about fifty men; they manufacture saw-mill machinery, largely, and do an extensive business.
The same source notes that Abram P. Hosford was the president.