UNT Libraries Government Documents Department - 2 Matching Results
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- Type-Writer.
- Patent for a new device for typewriters which allows for shifting from lower case to upper case by means of "the one set of keys ordinarily employed, but of modified construction" (lines 14-15) including descriptions of the device, operation, and illustrations
- Windmill
- Patent for a new windmill design with improvement to the "mechanism for transmitting the motion of the wheel shaft to the pump rods."