Improvement in Photographic Backgrounds. (open access)

Improvement in Photographic Backgrounds.

Patent for a new way of "holding and manipulating photographers' backgrounds" (line 19) including illustrations.
Date: June 10, 1879
Creator: Moberly, Louis
System: The Portal to Texas History
Attachment for Wheel-Plows. (open access)

Attachment for Wheel-Plows.

Patent for "invention has relation to improvements in attachments to sulky and other horse-plows" (para. 3). Combines a circle-plate, transverse clamp-ridge, clamps, a bearing plate, a king-bolt, a transverse sleeve, an axle, adjusting collars, and transporting-wheels on said axle.
Date: December 21, 1878
Creator: Cummins, John Randolph
System: The Portal to Texas History