Spiral Ring.
Description:
Patent for a new and improved lap-ring. This design consists in a "lap-ring for connecting the tree-irons of double-trees and single-trees, consisting of the S-shaped lap-ring having the end curves spread laterally from the stem of the S, and carried round on spiral curves to points ninety degrees beyond a line that would evenly divide the figure thus formed longitudinally" (lines 41-48).
Date:
July 8, 1884
Creator:
Brooks, George W.
Item Type:
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Partner:
UNT Libraries Government Documents Department