Original old petroleum trade magazine vintage article for MOTOR OILS OF THE FUTURE. Addition agents will be common said C.M. Larson, supervising engineer of Sinclair Refining Company in a paper presented at Tractor meeting, Chicago section, Society of Automotive Engineers at Peoria, IL. This unique 1937 three page adrticle would display beautifully matted and framed.
- SKU zb493
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