John King owned and operated the first carriage and wagon factory in Janesville.

The evidence

• “The first carriage and wagon factory was owned and operated by John King, in 1848. It was located on the southeast corner of Milwaukee and Bluff streets, and the first buggy ever built in Janesville was constructed by M.”

  1908-brown-rock-county/27-early-janesville-manufacturers.md, Vol. 2, PDF p. 91 / book p. 602

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources