It is "Augustine Automatic Rotary Motors Co." (see Champion Rotary Motors Co.). From this brand we know the August R-4-40 model.

-We ccan see an interesting discrepancy of the R-4-40 model: according to the US Department of Commerce, the power calibrated by them was 35 hp at 1,875 rpm.

-The manufacturer gave 40 hp at 1,950 rpm.

"Augustine R-4-40"

-It was built by Augustine Automatic Rotary Eng. Co in Buffalo, NY.

-The engine had a two-stroke cycle without valves. It used a mixture of fuel and oil at a rate of 20 to 1. The oil should not exceed the density of SAE 30.