Posted 3 days ago
tshusker
(182 items)
Full 1 pint oblong (F-Style) metal utility can of IBM #10 Lubricating Oil, Part No. 12804444. This is a medium-viscosity, pure petroleum-based mineral oil, equivalent to a monograde SAE 30 non-detergent weight machine oil. The single label reads:
Part # 1280444
#10 Lubricating Oil
Caution: Avoid prolonged contact. Mildly irritating to skin and eyes.
Keep out of reach of children.
International Business Machines Corporation
Armonk, New York
IBM #10 oil was primarily supplied to IBM Customer Engineers, and was heavily used to flush out, service, and lubricate electric motor bushings and high-clearance mechanical bearings on massive vintage mainframe systems (like the IBM 1401 series) and early electric typewriters.
