The crankshaft is located below the cylinders on an in-line engine, at the base of the V on a V-type engine and between the cylinder banks on a flat engine. As the pistons move up and down, they turn the crankshaft just like your legs pump up and down to turn the crank that is connected to the pedals of a bicycle.
Elizabeth Schuyler Hamilton. by. Hamilton, Elizabeth Schuyler (9 Aug. 1757-9 Nov. 1854), statesman's wife and charity worker, was born in Albany, New York, the second daughter of Philip Schuyler, a revolutionary war general, and Catherine Van Rensselaer Schuyler.
According to the 1901 Census Jennie was born 18 August 1878. When looking for her birth, I found an Amelia Jane Harman born 17 August 1878 in Simcoe, daughter of a Mary Harman - no father listed. I checked the 1871 Census for Simcoe and found a 17 year old Mary Harman living with a Sarah Clark.