marked face of the Zenith firebrick

Brand Name: ZENITH

Company: Harbison-Walker Refractories Co.

Brickyard Location: Ione, Amador County, CA.

Operating Years: 1959-1968

Years Brick Made: 1959-1968

Type: Super-Duty Firebrick

Description: Brand name is impressed within a shallow round-rectangular frog.

Comments: For more information, see under "Brickmakers" the Harbison-Walker Refractories Company, Ione.

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