Rope-Socket.
Description:
Patent for rope socket "for use in connection with oil well drilling bits" (lines 13-14) "which can be quickly, easily and conveniently adjusted to provide a swivel or nonswivel socket as desired" (lines 16-19) including illustrations.
Date:
May 28, 1917
Creator:
McConnell, Scott Russell
Item Type:
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Partner:
UNT Libraries Government Documents Department