. Bulletin - United States National Museum . Figure 29.—Details of the Valve Gear (figs. 6 and 7) and the boiler(figs. 8 and 9) as shown in the 1847 British patent. Neither the boilernor this valve gear with its curious Scotch yoke was shown in the Note the use of baffle plates in an attempt to maintain a constantwater level in the boiler. 60 air will be compressed into the boiler in 5 revolutions, to impel theengines with the adhesion wheels and bevel gear back through 4 revo-lutions.* By April 1848 the mechanical work on the model was nearlycomplete,» and on May 20 it was given a
. Bulletin - United States National Museum . Figure 29.—Details of the Valve Gear (figs. 6 and 7) and the boiler(figs. 8 and 9) as shown in the 1847 British patent. Neither the boilernor this valve gear with its curious Scotch yoke was shown in the Note the use of baffle plates in an attempt to maintain a constantwater level in the boiler. 60 air will be compressed into the boiler in 5 revolutions, to impel theengines with the adhesion wheels and bevel gear back through 4 revo-lutions.* By April 1848 the mechanical work on the model was nearlycomplete,» and on May 20 it was given a public trial in were made to exhibit the model in this country and in , despite repeated references in the letters of the Sellersbrothers and in various journals to a projected display of the modelin Europe—Coleman and Whetstone studied French with the ideaof showing the model in France—this was apparently never done. *oAccording to a typewritten note in the Peale-Sellers papers, thetrip to France was
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
