This partnership of Levi A. Dole and Albert R. Silver dates from 1859 when Allen S. Felch left the partnership of Dole, Silver & Felch. Dole & Silver was succeeded by Dole, Silver & Deming in 1866. See the latter entry for a timeline of the various related Salem-based firms that manufactured woodworking and wheelwrighting machines.
		Information Sources
		
				- The patent research is courtesy of Don McConnell. 
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						Carriage and Wagon Makers Machinery and Tools by Kenneth L. Cope, 2004 page 79