l ColtSept. 4, 1850.
7,629Samuel ColtSept. 4, 1850.
7,802J. StevensNov. 26, 1850.
7,894J. WarnerJan. 10, 1851.
8,229J. WarnerJuly 15, 1851.
8,412J. StevensOct. 7, 1851.
8,982North and SkinnerJune 1, 1852.
9,694Robert AdamsMay 3, 1853.
9,929J. StevensAug. 9, 1853.
10,259M. L. RoodNov. 22, 1853.
10,812J. EllsApr. 25, 1854.
10,821Charles BusoApr. 25, 1854.
10,930J. PeckMay 16, 1854.
11,419J. EllsAug. 1, 1854.
11,447E. WhitneyAug. 1, 1854.
11,470I. W. BrownAug. 8, 1854.
11,698W. H. MorrisonSept. 19, 1854.
11,715F. BealsSept. 26, 1854.
12,189J. StevensJan. 2, 1855.
12,328A. O. H. P. SehornJan. 30, 1855.
12,470Hollingsworth and MershonFeb. 27, 1855.
12,471Hollingsworth and MershonFeb. 27, 1855.
12,555F. NewburyMar. 20, 1855.
12,649R. WhiteApr. 3, 1855.
12,906H. GrossMay 22, 1855.
13,039F. NewburyJune 12, 1855.
13,582F. NewburySept. 18, 1855.
13,660W. M. StormOct. 9, 1855.
13,999E. K. RootDec. 25, 1855.
14,406F. NewburyMar. 11, 1856.
14,420W. M. StormMar. 11, 185
1861.
35,972EnsignJuly 22, 1862.
37,505HenryJan. 27, 1863.
38,662DownesMay 26, 1863.
39,160MorrisonJuly 7, 1863.
(Reissue.)1,569Blake et al.Nov. 10, 1863.
43,657WillcoxJuly 26, 1864.
46,79isApr. 14, 1868.
6. Hemmers. (continued).
No.Name.Date.
80,090RehfussJuly 21, 1868.
80,558MorrisonAug. 4, 1868.
84,454Welder et al.Nov. 24, 1868.
(Reissue.)3,402BlodgettApr. 27, 1869.
92,136,903CuthbertMar. 18, 1873.
136,959BennorMar. 18, 1873.
137,983WauzerApr. 15, 1873.
139,805MorrisonJune 10, 1873.
140,874BennorJuly 15, 1873.
140,927LothJuly 15, 1873.
141,250WolfingerJuly 29,ight of the falling hammer.
Condie made the piston stationary, the cylinder moving in guides.
Morrison made the hammer of one long bar of wrought-iron, the piston being welded thereto, and forming pscends, which steam, thus condensed in bulk, re-expands in the up-stroke, economizing steam.
Morrison steam-hammer.
As an illustration of the capacity for adjustment and command of the steam-ha