Brand name: DURO 1
Company: Harbison-Walker Refractories Co.
Type: Acid-proof brick
Description: Brand name "DURO 1" recessed on the face. Wedge-shaped brick is 9 inches long, 4 1/2 inches
wide, 2 1/2-1 7/8 inches thick for the No. 1 wedge.
References: Gurcke, Karl. Bricks and Brickmaking. University of Idaho Press, 1987, p. 228-229;
Graves, Jim. Brick Brands of the United States. 2003; Harbison Walker Refractories Company. Modern
Refractory Practice. Second Edition, 1937.
Comments or questions are welcomed.
Please send email to Dan Mosier at email@example.com.