[Trade Journal]
Publication: Mill Supplies
Chicago, IL, United States
vol. 4, no. 12, p. 65,67, col. 2,1
GENERAL NEWS.
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The Jeffery-Dewitt Co., Detroit, Mich., formerly manufacturer of spark plugs, has entered a new field, that of manufacturing high grade small porcelain ware for the use of the plumbing trade. They expect to turn out 35,000,000 pieces within a year. European porcelain ware is no longer available.
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