Improvement in Syringe for Destroying Cotton-Plant Worms.
Description:
Patent for improved instrument to be used to destroy cotton-worms, this instrument “provided with a nozzle, having a fine discharge-passages, through which the liquid is forced slowly, in the form of spray, and that the same nozzle is provided with an inlet-tube, through which liquid can be rapidly drawn into the barrel for filling it, but which will be automatically shut at the commencement of discharging the liquid through the nozzle, and kept shut during such discharge.” (Lines 55-62) Illu…
more
Date:
June 15, 1869
Creator:
Robira, Antonio
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department