Tool for Drilling Wells.
Description:
Patent for improvement in "tools for drilling or boring Artesian, oil, and other deep wells; and it has for its object to prevent the loss of the drill or auger or of any portion of the drill-rods" (lines 9-13) via an "improved means for connecting the tool to the lower end of the drill-rod" (lines 15-16) including illustrations.
Date:
July 16, 1889
Creator:
McLane, Hiram H.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department