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 of 1849 brought large numbers of American citizens and new immigrants from Europe to California. The presence of gold -- the worldwide standard curren â¦ cy in that time -- made California tremendously valuable to the United States.he first finding of gold was at the tailrace of a sawmill being  built by James Wilson Marshall in Coloma, California. The mill  property was owned by Johan (John) Sutter. â¦ The area that was  impacted by the gold rush was northern California from Sacramento  north to San Francisco.