Trap for Crustacea (open access)

Trap for Crustacea

Patent for a trap used to catch various crustaceans such as crabs and lobsters. Illustrations included.
Date: March 3, 1908
Creator: Franklin, Robert M.
System: The Portal to Texas History
Bicycle-Gear. (open access)

Bicycle-Gear.

Patent for a Bicycle-Gear meant to rotate the sprocket or other gear wheel on a bicycle, Including Illustrations.
Date: July 3, 1900
Creator: Brady, Alford
System: The Portal to Texas History