A laboratory technician carries out a test on a chemical raw material at Esso Research & Engineering Company
camh-dob-021486
M524
Black and white gelatin silver print of a close up portrait of an engineer inspecting lab equipment
Exxon Mobil Corporation
ExxonMobil historical collection
Standard Oil Company Esso Petroleum Company Limited
Oil industries
Gelatin silver prints
8 inches high 10 inches wide
2015-006/109
Exxon photo library publications Historical Photographs - Research laboritories, 1929, undated
American Energy Industry
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