[Trade Journal]
Publication: Electrical Review and Western Electrician
Chicago, IL, United States
vol. 67, no. 3, p. 121, col. 3
Production of Electrical Porcelain.
The annual report of the United States Geological Survey for 1914 shows that there was produced in this country during that year a total ouput of porcelain insulators and other porcelain electrical supplies valued at $4,130,270, compared with $5,737,741 in 1913. There were reported 37 firms engaged in this manufacture. The largest production was in Ohio, with a total of $1,472,359; then followed New York with $940,029, and New Jersey with $905,878. Electrical porcelain constituted 11.67 per cent of the total output of pottery products.
