Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
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 1:62500
Patent for a device for dipping lumber in a "soda" bath for preventing mildewing that allows the operator of the sawmill to determine which logs go through the bath.
Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Patent for "certain new and useful Improvements in Liquid Dispensing Apparatus" (lines 5-7) describing new improvements, including instructions and illustrations.
Map illustrating the Mississippi River, Yazoo River, creeks, cities, and gun emplacements surrounding a gunboat route through Mississippi. The shaded area is where the gunboats actually traveled. The dotted line is an additional portion of the proposed route. In the upper right corner is a map that showed where the gunboats were to fall back.
Map illustrating the topography of a canal that connects Walnut Bayou with the Mississippi River. Islands, woodlands, barges, and dredging machines are noted.
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