Resource Type

Insecticide (open access)

Insecticide

Patent for "a compound or composition for the extermination of ants, moles, salamanders, prairie-dogs, large rats, &c." (lines 11-13).
Date: August 21, 1888
Creator: Simpson, James Thomas
System: The Portal to Texas History
Water Mill. (open access)

Water Mill.

Patent for a new and improved water mill. This design "relates to current water-mills, the object being to provide a mill of inexpensive and durable construction, having a wheel adapted to rise and fall with the tide, and thus to maintain a constant revolution and working of the mill. The invention consists in the combination of parts" (lines 11-18).
Date: August 28, 1883
Creator: Steinhagen, Cristofer Friderich Carl
System: The Portal to Texas History