UNT Libraries Government Documents Department - 3 Matching Results

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Recharging-Valve.
Patent for a recharging valve "to permit recharging the auxiliary reservoirs of an automatic air-brake system without involving the release of the brakes." (lines 8-11) including instructions and illustrations.
Cotton-Picking Machine.
Patent for improvement in cotton picking machine “whereby the ripened portion of the cotton may be easily and thoroughly picked or removed and disposed in a suitable receptacle.” (Lines 22-24.) Illustration is included.
Cotton Chopper
Patent for a cotton chopper. Illustrations included.
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