Marked face of the Diablo 1 firebrick
Photo courtesy of Ron Rose

Brand Name: 1 / DIABLO

Company: Gladding, McBean and Co.

Brickyard Location: Pittsburg, Contra Costa County, CA

Operating Years: 1943-1962

Years Brick Made: 1943-1962

Type: Firebrick

Description: Brand name DIABLO impressed within a rounded rectangular name plate with a 1 inside a circle centered above it.

Comments: For more information, see under "Brickmakers" the Gladding, McBean and Company, Pittsburg.

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