Patternmkr, Yonkers, NY

Jane F. Thompson (
Mon, 14 Apr 1997 21:32:25 -0500

Would like to share with you some of the answers I received in response to
my question of the trade of a patternmkr. Several of the answers were:

A patternmaker would make a wood model that then would be used to make a
sand mold used to make a metal casting of whatever object was being
manufactured. Therefore, your ancestor was involved involved in a
foundry business. My husband's gg-uncle was a patternmaker while his
brother (my husband's gg-grandfather was a carpenter). Both used
woodworking skills. Learned their trades in Derbyshire, England; worked
in Manchester; then came to Erie Co. PA where they continued their

A pattern maker is one who makes patterns, usually out of wood, to be
used in making sand molds into which molten iron is poured. It is job
that requires skills for determining draft angles and coefficients of
contraction as the metal cools. The pattern is placed in the bottom
half of mold packed with sand. The sand is tamped to become as dense
as possible. the second half is placed on top and again tamped. The
mold is then parted, the pattern removed for another mold.

It's a pattern maker. They have always been found in almost any
industry that makes mulitple copies of an item (assembly line
production). They cut or create the patterns to guide the manufacturing
process. At some time and some place, tool and die makers, for
instance, might have been called "pattern makers." The word may have
had a specific meaning during WWI in Yonkers and around NYC, but I
suspect its meaning was more all encompassing.

There were other very good answers but all were in this same vein. Thanks
to all of you who responded. Jane

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