Resource Type

Month

Stirrup. (open access)

Stirrup.

Patent for a light and durable stirrup that can be used in light and heavy saddles and has an improved construction.
Date: April 28, 1896
Creator: Turner, Ephraim M.
System: The Portal to Texas History
Eight-Lens Telescope. (open access)

Eight-Lens Telescope.

Patent for improvements in refracting-telescopes in which the instrument may be readily and accurately focused by adjustment of the lenses within the telescoping sections; and by having one or more perforated diaphragms for avoiding errors due to spherical aberration, an adjustable and removable transmitter for the light passing through the object-glass, for the purpose of toning the quantity of light. Illustration is included.
Date: April 28, 1891
Creator: Riddle, William Nelson
System: The Portal to Texas History