UNT Libraries Government Documents Department - 10 Matching Results

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Attachment for Rotaries.
Patent for rotary well-drilling machinery where the "ring or bushing to rotate independently of the table and the present invention is directed to means for accomplishing the rotating effect." (line 24-27)
Flour-Sifter.
Patent for a centrifugal flour sifter that removes pests, mold, and debris.
Gas Producer.
Patent for improvements to gas producers of the type in which combustible gases are evolved from coal, lignite, etc., during the incomplete combustion thereof.
Guide for Drive-Chains.
Patent for a mechanism designed to prevent a guide chain from being displaced from the wheel(s) of its parent machine.
Kemp Quadrangle
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
Planter Attachment.
Patent for a seed planter attachment with an easily adjustable shovel.
Rotary-Drill Head.
Patent for a drill apparatus that improves the head gears and driving mechanisms that makes for an efficient driving of the apparatus and allows for free vertical movement.
Stalk-Cutter Attachment.
Patent for a planter attachment. It allows quick attachment of a stalk cutter that would let a planter serve two purposes.
Surgical Splint.
Patent for a surgical splint specifically for the substitution of erectile tissue of the corpora cavernous of the genital organ to promote fecundation even in the absence of an erection.
Well Bucket
Patent for Improvements in well buckets. The bucket has an inlet valve at the bottom and an air escape valve at the top that permits air to escape freely while preventing the entrance of dirt and extraneous matter to the interior of the bucket.
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