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Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 2]
Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 3]
Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 6]
Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 7]
Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 1]
Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 5]
Tests at Los Angeles Testing Laboratory, Los Angeles, CA, 1932 [image 4]
Motor tests at Pennzoil lab, Southern California, 1933 [image 1]
Motor tests at Pennzoil lab, Southern California, 1933 [image 2]
Tests at refinery, Southern California, 1934 [image 8]
Tests at refinery, Southern California, 1934 [image 9]
Tests at refinery, Southern California, 1934 [image 12]
New motor in testing block, Southern California, 1929 [image 2]
New motor in testing block, Southern California, 1929 [image 3]
New motor in testing block, Southern California, 1929 [image 4]
Champagne blindfold test, Southern California, 1935 [image 5]
Champagne blindfold test, Southern California, 1935 [image 2]
Champagne blindfold test, Southern California, 1935 [image 4]
Champagne blindfold test, Southern California, 1935 [image 3]
Gasoline testing machine, Southern California, 1933 [image 1]
Test scale & brake tester, Pennzoil Laboratories, Southern California, 1932 [image 1]
Tests at refinery, Southern California, 1934 [image 11]
Tests at refinery, Southern California, 1934 [image 6]
Tests at refinery, Southern California, 1934 [image 10]
Tests at refinery, Southern California, 1934 [image 7]
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