The valve is a simple variable-geometry device that controls the opening and closing of the specified flow window or valve curtain area as determined by the camshaft and rocker ratio. The valve curtain area is defined as the flow window created by the open valve at maximum valve lift.
CALIFORNIA LEGENDS The California Gold Rush In the cold morning hours of January 24, 1848, James Marshall, a construction foreman at Sutter s Mill, was inspecting the water flow through the mill s tail race.
As word of the gold rush spread so did the word of opportunities for women to work in the women poor gold fields and communities. Some of the first women to show up were women from southern California, Sonora, Chihuahua, Acapulco, and San Blas.omen of all different statuses, classes, and races were involved in the California Gold Rush. The rapidly increasing California population had very few women and women found a myriad of different opportunities which were normally not available to them.