The pitch diameter of a pulley is not the outside diameter. Or the inside diameter. In fact, the pitch diameter is very difficult to measure directly. If you cut a belt and look at the end, you'll see a row of fibers near the outside surface.
In the Gold Rush of 1849, there were about 100,000 who went on the journey to California for the Gold Rush. It was a rough journey since you could either travel by harsh land, â¦ or take a boat for months.bviously, because there was gold there and they wanted some of it. This was augmented by the fad like nature of the Gold Rush. Many people were attracted by the everyone is â¦ doing it aspect. While a few people got rich by finding gold, but more people got rich by selling supplies to the ones looking for it.
The California Gold Rush (1848â1855) was a period in American History which began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California.n August 19, 1848, the New York Herald was the first major newspaper on the East Coast to report the discovery of gold. On December 5, 1848, President James Polk confirmed the discovery of gold in an address to Congress.