Alexander Historical Auctions LLC

Description: JOHN ERICSSON
(1803 - 1889) American engineer and designer of the Union's Monitor and the first screw-powered vessel. Fine technical content A.L.S. 2pp. 4to., Dec. 26, 1860, less than a year before he undertook the construction of the Monitor. In part: "...I warmed up the Primeros [?] engine last Monday just enough to drive some of the water out of brickwork and plaster and make a few turns sufficient to show that, when in motion, our clearances against cylinder heads are insufficient. A very tough matter to rectify, I can assure you. [I] ordered the main Rack Shaft out to change the length of Main Lever. In all such cases I have found that taking the bull by the horns to be the safest & best plan...we have more than a thousand joints separating these two very different pressures...". Very light dampstain in text, otherwise very good. Expertly inlaid.

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March 30, 2011 11:00 AM EDT

Stamford, CT, US

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