Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 83
To enable this adjustment to be made withprecision, and to be corrected, if from wear of the shaft-bearings orother cause this became necessary, I secured the pin on whichthese trunnions were pivoted to the side of the engine bed in themanner shown in the following figure. To hold the wedge…
