Today in the land fill exposed by a recent brush fire, I found a porcelain electric line insulator made by the Square D Company which had a porcelain plant in Peru, Indiana, from 1921-1951 From Chemical and Metallurgical Engineering, Vol. 27, No. 2, July, 1922: THE Square D Co. manufactures electrical safety devices, such as switches, … More Square D Company, Porcelain Plant, Peru, Indiana.
From Brick, Vol. XXII, No. 1, Jan., 1900: The Ferris Paving Brick Co., of Mechanicville, N.Y. has been incorporated with a capital of $100,000 to manufacture paving brick, pressed front brick, hollow brick, tile and other clay and shale products. Directors are J. C. Duncan, F. H. Ferris, W. L. Howland, H. O. Bailey and … More Ferris Paving Brick Company, Mechanicville, N.Y.