4 Matching Results

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Improvement in Rotary Engines. (open access)

Improvement in Rotary Engines.

Patent for an improved design of the rotary engine. Illustration included.
Date: February 6, 1877
Creator: Willson, Hodgen I.
System: The Portal to Texas History
Improvement for Machines for Washing Photographs. (open access)

Improvement for Machines for Washing Photographs.

Patent for an improved machine for washing photographic prints allowing metallic or other rigid plates to be washed in addition to flexible prints.
Date: February 6, 1877
Creator: Miller, Noah J.
System: The Portal to Texas History
Improvement in Hame Fasteners (open access)

Improvement in Hame Fasteners

Patent for a new and useful improvement in hame-fasteners. "This fastening can be readily fastened and unfastened without taking off the gloves, and with cold and benumbed fingers, and when fastened will hold the hames securely" (lines 35-38). Including instructions and illustrations.
Date: April 6, 1877
Creator: Poland, Tunis H.
System: The Portal to Texas History
Improvement in Cotton-Seed and Corn Planters (open access)

Improvement in Cotton-Seed and Corn Planters

Patent for a new and useful improvement in cotton seed and corn planters which lists the design specifications.
Date: November 6, 1877
Creator: Palmero, Joseph Rafael
System: The Portal to Texas History