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74.80 microns is about 0.0000004 times as tall as The Golden Gate Bridge.
In other words, it's 0.000000330 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 3,030,000 times that amount.
(San Francisco, California and Marin County, California) (height above water)
The height of each tower of Golden Gate Bridge is 227,000,000 microns above the surface of the San Francisco Bay. One of the key designers of the bridge, Charles Ellis, had no engineering degree when he began working on the project, but would later go on to write what became a standard textbook on structural engineering, and would ultimately be forced to complete his calculations on the bridge by working without pay for five months.
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