Resource Type

Wind-Turbine. (open access)

Wind-Turbine.

Patent for improvements to wind motors for turbines "and has for its object to provide a wind turbine of novel structure or arrangement and including means for varying the admission of air currents to the wheel thereof" (lines 10-13).
Date: April 14, 1908
Creator: Gustafson, Claes Viktor
System: The Portal to Texas History
Calendar (open access)

Calendar

Patent for a circular perpetual calendar.
Date: April 14, 1908
Creator: Rowe, Charles E.
System: The Portal to Texas History