Brand name: JAY BEE / COARSE / N
Company: Kaiser Refractories
Location: Mexico, Missouri.
Years: 1935-1942 (brick made)
Description: Brand name impressed into the face inside a shallow rounded rectangular frog. JAY BEE is on the first line, COARSE is on the second
line. Below the frog is a recessed letter "N". This is a super-duty firebrick.
References: Gurcke, Karl, Bricks and Brickmaking, University of Idaho Press, 1987, p. 252.
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