CALIFORNIA BRICKS
Brand name: 2(upside down inside circle)/DIA-D
Company: Gladding, McBean and Company
Location: Foot of S. California St., Stockton, San Joaquin County, CA
Years: 1931-1932
Type: Fire brick
Description: Upside down 2 impressed within a circle over brand DIA-D impressed within a rounded
rectangular name plate.
Equipment: Auger machines, repressed waste-heat drier tunnels, 12 round downdraft kilns, 4 rectangular
brick kilns
Deposit: Lincoln fire clay from pit of the Clay Corporation of California.
Comments: Gladding, McBean and Company purchased the plant of the Stockton Fire Brick Company in 1931,
and continued the line of DIA-D brands.
This brand style was typical of Gladding, McBean and Company.
Source: California Division of Mines and Geology, v. 21, no. 2, 1925; California Division of Mines and
Geology, v. 54, no. 4, 1958; Graves, Jim, Brick Brands of the United States, 2000.
Rectangular kilns for burning runner bricks, Stockton Fire Brick Co.
From Cal. Div. Mines Geol., v. 21, no. 2, 1925.
Comments or questions are welcomed.
Please send email to Dan Mosier at danmosier@earthlink.net.