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Andrew Smith Hallidie (March 16, 1836 – April 24, 1900) was an American entrepreneur who was the promoter of the Clay Street Hill Railroad in San Francisco. This was the world's first practical cable car system, and Hallidie is often therefore regarded as the inventor of the cable car and father of the present day San Francisco cable car system, although both claims are open to dispute.
The Tubbs Cordage Company Office is of local historical significance in the category of industry due to its association with the Tubbs Cordage Company and its rope factory founded in San Francisco by Alfred L. Tubbs and his brother Hiram where the first commercial manufacture of rope on the Pacific Coast was accomplished.
Some rope is still made from natural fibres, such as coir and sisal, despite the dominance of synthetic fibres such as nylon and polypropylene, which have become increasingly popular since the 1950s. Nylon was discovered in the late 1930s and was first introduced into fiber ropes during World War II.
The result is an extremely low-density solid with several remarkable properties, most notably its effectiveness as a thermal insulator. It was first invented by Samuel Stephens Kistler in 1931, as a result of a bet with Charles Learned over who could replace the liquid inside of a Fruit preserves jar with gas without causing shrinkage. [242]
The first "one-armed bandit" was invented in 1887 by Charles Fey of San Francisco, California who devised a simple automatic mechanism with three spinning reels containing a total of five symbols – horseshoes, diamonds, spades, hearts and a Liberty Bell, which also gave the machine its name. [257] 1887 Softball
California Arrow made the first controlled circular flight in America on August 3, 1904, at Idora Park in Oakland, California. In October and November, 1904, the aircraft was piloted by Roy Knabenshue at the 1904 Louisiana Purchase Expositionin St. Louis , Missouri .
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Modern wire rope was invented by the German mining engineer Wilhelm Albert in the years between 1831 and 1834 for use in mining in the Harz Mountains in Clausthal, Lower Saxony, Germany. [3] [4] [5] It was quickly accepted because it proved superior strength from ropes made of hemp or of metal chains, such as had been used before. [6]