Improvements in Machines for Making Paving-Blocks. (open access)

Improvements in Machines for Making Paving-Blocks.

Patent for the improvement in machines for making paving-blocks.
Date: October 24, 1871
Creator: Brooks, Samuel Wallace
System: The Portal to Texas History
Improvement in Pen-Holders. (open access)

Improvement in Pen-Holders.

Patent for new improvements on the design of the pen-holder, including illustrations.
Date: January 24, 1871
Creator: George, Alfred M.
System: The Portal to Texas History