[Trade Journal]
Publication: Electrical World and Engineer
New York, NY, United States
vol. 46, no. 1, p. 42, col. 1
THE COOK POTTERY COMPANY, Trenton, N. J., well known in the porcelain field, has recently gone into the manufacture of electrical porcelain and is making a specialty of tubes. This company states that a guarantee stands behind all its products, and points to the fact of its being established in 1876, having, therefore, an experience of nearly thirty years.
