Window-Screen. (open access)

Window-Screen.

Patent for window screens with frames, side members and end members that can be fixed, detached and adjusted.
Date: April 18, 1905
Creator: McGlamery, William H.
System: The Portal to Texas History
Ditching-Machine. (open access)

Ditching-Machine.

Patent for a ditching machine for digging ditches than can go in reverse.
Date: April 18, 1911
Creator: Miller, Sam
System: The Portal to Texas History