Patents -- United States
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Vine and Ashmead Patent
Collection
Identifier: Ms-1986-014
Abstract
This collection contains a patent awarded to William Vine (1798-ca. 1872) and James H. Ashmead (1810-1880) of Hartford, Connecticut, for "machines beating gold".
Dates:
1849 - 1850