Slide rule converts viscosities

A free, pocket-sized slide rule includes data showing the comparative equivalence of several viscosity grading systems -- ISO, SAE, AGMA gear oil grades, and NGLI grease consistency grade classifications.
By Staff March 1, 1998

A free, pocket-sized slide rule includes data showing the comparative equivalence of several viscosity grading systems — ISO, SAE, AGMA gear oil grades, and NGLI grease consistency grade classifications. Converting tables show cSt to SUS viscosity standards at the same temperatures.

Royal Lubricants, Inc.