Marked Bricks: A

ACME common brick
Acme Brick Company
Santa Monica, Los Angeles County, CA
1925-1929

1-ACORN firebrick
Pacific Clay Products, Inc.
Corona, Riverside County, or Los Angeles, Los Angeles County, CA
1921-1953
Courtesy of Ron Rose

ACORN- firebrick
Pacific Clay Products, Inc.
Corona, Riverside County, or Los Angeles, Los Angeles County, CA
1921-1953
Courtesy of James Freedner

ACORN firebrick
Pacific Clay Products, Inc.
Corona, Riverside County, or Los Angeles, Los Angeles County, CA
1921-1953
Courtesy of George L. Kennedy

ACORN PCP firebrick
Pacific Clay Products, Inc.
Los Angeles, Los Angeles County, CA
1921-1953
Courtesy of Roy Steege

ADDINGTON firebrick
A. M. Addington
Michigan Bar, Amador County, CA
1865-1882
Courtesy of Melody McDonald

AMADOR medium-duty firebrick
Ione Fire Brick Company
Ione, Amador County, CA
1925-1942
Courtesy of Craig Smith

AMADOR medium-duty firebrick
Harbison-Walker Refractories Company
Ione, Amador County, CA
1959-1968

AMADOR medium-duty arch firebrick
Harbison-Walker Refractories Company
Ione, Amador County, CA
1959-1968

AMRECO firebrick
American Refractories Company
Los Angeles, Los Angeles County, CA
1927-1949
Courtesy of Roy Steege

AMRECO firebrick
American Refractories Company
Los Angeles, Los Angeles County, CA
1927-1949
Courtesy of James Freedner

ARC firebrick
American Refractories Company
Los Angeles, Los Angeles County, CA
1927-1949
Courtesy of Roy Steege

ARCOFRAX firebrick
American Refractories Company
Los Angeles, Los Angeles County, CA
1927-1949

ARCOFRAX 39-7D firebrick
American Refractories Company
Los Angeles, Los Angeles County, CA
1927-1949

Argon firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950
Courtesy of Ron Rose

Argon AA firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950

ARGON AA split firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950
Courtesy of Brian F. Smith and Associates, Archaeologists

Argon AA firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950
Courtesy of George L. Kennedy

Argon B firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950
Courtesy of Sam Burton

ARGON 1 AA firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950
Courtesy of Donna Swennes

ARGON 60 firebrick
Vitrefrax Corporation
Vernon, Los Angeles County, CA
1920-1950
Courtesy of Donna Swennes

ARNESON art brick
Robert Arneson, artist
Davis or Benicia, Solano County, CA
1962-1981
![[flying brick] Atkinson Brick Co. common brick](https://i0.wp.com/californiabricks.com/wp-content/uploads/2021/10/brick.atkinsonflyingbrick-432x141.jpg?fit=432%2C141&ssl=1)
[flying brick] Atkinson Brick Co. common brick
Atkinson Brick Company
Compton, Los Angeles County, CA
1980s (for several years)

ATLAS paving brick
Atlas Paving Brick Company
San Francisco, San Francisco County, CA
1913-1921

ATLAS firebrick
Atlas Fire Brick Company
Los Angeles, Los Angeles County, CA
1918-before 1928
Courtesy of James Freedner

ATLAS firebrick
Atlas Fire Brick Company
Los Angeles, Los Angeles County, CA
1918-1928
Courtesy of Brian F. Smith and Associates, Archaeologists

ATLAS HI-HEAT firebrick
Atlas Fire Brick Company
Los Angeles, Los Angeles County, CA
1918-1928
Courtesy of Blacky Blackwell

ATLAS POWER firebrick
Atlas Fire Brick Company
Los Angeles, Los Angeles County, CA
1918-1928
Courtesy of Jack Bower

ATLAS 1 wedge or arch firebrick
Atlas Fire Brick Company
Los Angeles, Los Angeles County, CA
1918-before 1928
Courtesy of Ron Rose