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List of All Motor Vehicle Manufacturers in United States
Machine-History.Com is building up this list of past and present motor vehicle manufacturers in the United States, over 2000 so far. A few of the older ones may have been make in other countries but sold in the United States. Check them out with the internal and external links.
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Connection between machine and man
There has always been a metaphorical connection between machine and man. The difference between man and his technology is constantly being redrawn. From the first simple machines the wedge, lever, screw, inclined plane, pulley and the wheel and axle, machines make our lives easier.
Scientific America September 21,1918 page 236
page 236 Finishes 2 articles on aircraft & industrial organization, Summarysynthetic rubber, advertisement for Bethlehem Trucks
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Letort Let7 Airplane
September 21,1918 Scientific America
The second photograph is a front view of the Letort biplane; which, aside from its fantastic stream-line engine nacelles, has several novel features. In the first place, it is a three-seater twin-engined machine intended for photographic and reconnaissance missions. Its planes are back-staggered; that is to say, the upper plane is farther back than the lower one, and the struts rise backward instead of forward or perpendicularly.
