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Improvement in Scaffold-Clamps. (open access)

Improvement in Scaffold-Clamps.

Patent for a reusable scaffold clamp for assembling builders' scaffolds, eliminating the need for nails or bolts.
Date: April 24, 1874
Creator: Crockett, John R.
System: The Portal to Texas History
Improvement in Frames for Cultivators, Scrapers, & c. (open access)

Improvement in Frames for Cultivators, Scrapers, & c.

Patent for “a new and useful improvement in Combined, Cultivator, Scraper, and Dumping-Cart” (lines 4-7) including illustration.
Date: March 31, 1874
Creator: Rabb, John Wesley
System: The Portal to Texas History
Improvement in Seeding-Machines (open access)

Improvement in Seeding-Machines

Patent for a seed-planting machine with adjustable mechanisms that allows the user to customize the seeding machine for a specific project.
Date: June 2, 1874
Creator: Lee, Abram & Sinks, Edward Randolph
System: The Portal to Texas History