Thorvald F. Hammer papers, 1854-1987.
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Malleable Iron Fittings Company
http://n2t.net/ark:/99166/w65f3252 (corporateBody)
The Malleable Iron Fittings Company (MIF)was originally incorporated in 1864. Earlier, in 1842, Nason and his brother-in-law, James J. Walworth of Boston, founded the Walworth and Nason Company of Boston (later known as the Walworth Company) to manufacture equipment for and install steam heating, then a novelty. In 1864, Nason and Walworth took over the Totoket Company of Branford, Connecticut, in order to concentrate on a proposed line of malleable iron fittings. The early MIF was essentially a...
Hammer, Thorvald F.
http://n2t.net/ark:/99166/w6sj1z81 (person)
Leading industrialist and engineer in Connecticut. From the description of Thorvald F. Hammer papers, 1854-1987. (University of Connecticut). WorldCat record id: 45441280 ...