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Full Details for Lot 176

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Sale 38 Lot 176

JOHN ERICSSON(1803-1889) American engineer and designer of the Union's Monitor and the first screw-powered vessel. Nice content A.L.S. 2pp. 4to., [n.p.], Mar. 5, 1849 [?], to a gentleman, in part: "...I much approve of your concern [?] with our friends whose conduct is absolutely intolerable - we have raised 2397 pounds without the slightest effort and a ton is sent up, the engine making 36 turns, which is 40 feet of the platforms in 53 seconds. The mixing up the performance of the engine with that of Otis machine is the meanest trick that could be...Leaving the...question of speed, only 5 seconds shunt [?] and out of sight...With our great...demonstration close at hand we have nothing to fear...I have seen the Superintendent at Johnson's who is now putting up 6 certified machines. From all I can learn about power our single 24...will not do but the twin engine of that...will be ample. The price is $600 for each machine including shafting [?] and pulleys...Our only chance to get the 32 quickly turned out is to send the cylinders be...You have not given me any positive information in relation to the engine...". Fold split at vertical fold, otherwise very good condition.
Estimate $ 200-300

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