Measuring and Leveling Instrument
Description:
Patent for a new measuring and leveling instrument that allows the user to determine "in a convenient and efficient manner the angularity of a surface or object with respect to a vertical or horizontal line" (lines 10-13). Instructions and illustration included.
Date:
February 9, 1915
Creator:
Richardson, O. C.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department