Socony-Mobil oil can

[creade]

So I went out on a scouting mission looking for a cellar hole.I found the area where I think it might have been but 80 years and a major flood have pretty much erased all signs. There was a area that had 2 rusted out 55 gallon drums,oil cans,stove pipes and electrical regulators. I took a can as a consolation prize. I can't find anything anywhere about it.The top of the cap says Sae 20.I see Sae 30 everywhere. Any oil can collectors out there that can help me out? Thanks for looking! Stay cool my friends

 

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[creade]

No ideas?

 

[GA_Boy]

20wt. would probably be used in a very cold climate during the winter long ago. I'm not sure when the multi viscosity oils came out. ie:10W30, 20w50, etc.
Marvin