UNT Libraries Government Documents Department - 6 Matching Results

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Cotton-Chopper.: Patent for a cotton chopper with an attachment for a guided chopper. This cotton chopper allows for the chopping device to engage the soil when the device is driven over various types of soil.
Cotton-Picker: Patent for a cotton picker that can be used on several rows of cotton at a time. Illustrations included.
Currycomb and Brush: Patent for a curry comb and brush. Illustrations included.
Relief Valve Gear: Patent for relief valve gear. Illustration included.
Saw-Filing Machine.: Patent for a saw filing machine that keeps the teeth of saws properly aligned, while they are being sharpened.
Shoe Blacking and Polishing Machine: Patent for an invention "to improve the construction of shoe blacking and polishing machines" (lines 10-12) Illustrations included.