Description: Patent for an all-metal one-piece whiffletree of "strength, economy, durability, and lightness" (lines 21-22) with solid metal ends that interlock with trace-hooks and prevent "the trace-coupling from becoming accidentally disconnected" (lines 26-27), including illustrations.
Date: November 29, 1892
Creator: Flatau, Louis S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department