[Trade Journal]
Publication: The Electrical Engineer
New York, NY, United States
vol. 24, no. 489, p. 267,268, col. 1,1-2
TRADE NOTES
& NOVELTIES.
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NEW ENGLAND NOTES.
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MR. C. S. KNOWLES, 7 Arch street, Boston, and 120 Broadway, New York, has issued a very neat and informational circular in regard to his Imperial porcelain, made by the Duggan Imperial Porcelain Works, at Trenton, N. J.
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