Patent for a regulated valve to automatically maintain air pressure in a pneumatic conveyor flue. Excessive air pressure causes a secondary valve to open and vent the pressure while at the same time impeding air flow downstream.
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Patent for a hay bailing machine. "The invention relates to bailing-presses, and more particularly to that class adapted for bailing hay, straw, &c.; and it has for one object to provide a simple and efficient construction in which a continuous rotation of the bailing-lever will act in conjunction with a retractile spring to reciprocate the plunger" (lines 7-13). "A further object of the invention is to provide a simple and efficient construction of detent for holding the gate after the hay or other material has been compressed and while the piston is retracted" (lines 14-18). Includes specifications and illustrations.
Patent for improvements in steam-engines. The goal of this invention to provide a simple construction that can be equally adapted for locomotives and high speed engines.
Patent for a device that can be easily attached to a cultivator and delivers poison to both the roots and the top of a plant, protecting the plant from pests and disease, with illustrations.
Map displays soil types along with topography, creeks, rivers, springs, swamps, farms, towns, stores, parks, roads, and railroads. Legend includes soil profiles.
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