CALIFORNIA BRICKS
Brand name: B/DIABLO-N
Company: Stockton Fire Brick Co. (1931), Gladding, McBean and Co. (1932)
Location: Pittsburg, Contra Costa County, CA
Years: 1931-1958
Type: Fire brick, refractory brick
Description: Brand name DIABLO-N impressed within a rounded rectangular name plate with a B inside a circle
above it.
Equipment: Stiff-mud, dry-press, hand-mold
Capacity: 5,000 per month
Deposit: Ione clay pits, Amador County, and Lincoln, Placer County.
Source: Directory of the Refractories Industry, 1942; California Division of Mines and Geology v. 47, no. 4, 1951;
California Division of Mines and Geology v. 54, no. 4, 1958.
Comments or questions are welcomed.
Please send email to Dan Mosier at danmosier@earthlink.net.