Robert Swinney wrote:
I have an even older Wagner 7.5 HP motor with grease fittings on each end. Grease is a way to keep
something oiled without having to tend to it very often. Think of grease as it was originally . . .
oil absorbed into soap flakes.

Interesting. I never heard that before. I had always assumed that the
first grease was derived from animal fat.

Best wishes,

Chris