Front:
CONDENSER
FREEZING
COULS
FOR OPOR
GENERATOR
OF THIS
ROSORBER
Back:
GAS REFRIGERATION INSIDE VIEW
California State Museum of Science and Industry
Contained inside this free-blown plastic sphere, five feet in
diameter, is a gas refrigerator unit in full operation - even
the gas flame is visible. This exhibit is displayed in Industry
Hall in the California State Museum of Science and Industry,
Los Angeles, where the story of California's industry and
economy is presented.
MIRRO-KROMEⓇ CARD BY H. S. CROCKER CO., INC. LOS ANGELES 21, CALIF.
Piso
