History of northern Wisconsin: containing an account of its settlement, growth, development, and resources, an extensive sketch of its counties, cities, towns and villages, their improvements, industries, manufactories, biographical sketches, portraits of prominent men and early settlers, views of county seats, etc. Chicago: Western Historical Co., 1881. p.1182

Howard & Jennings (Menasha Iron Works), manufacturers of hub, spoke and
broom handle machinery, self-feeding saw machines and engines, also all
kinds of wood-working and grist-mill machinery, piping and brass goods,
agents for Hancock inspirators.

Peter Jennings came from Canada to Racine in 1850, in his eighteenth year.
In 1856, he was united to Miss B.L. Kearney, of Racine. After a residence
of several years respectively in Racine, Chicago, Green Bay and Appleton,
he finally located in Menasha in 1873. In 1875, he became associated with
M.L. Howard as a member of the firm of Howard & Jennings. His family
consists of his wife and six children, named respectively Louise (Mrs.
Johnson), Robert, Nettie, Hattie, Addie and Bennie.