Resource Type

Insect Trap (open access)

Insect Trap

Patent for an insect trap. Illustration included.
Date: January 10, 1905
Creator: Smith, Charles F.
System: The Portal to Texas History
Music Indicator (open access)

Music Indicator

Patent for a music indicator. This device is readily applied to a piano or other keyed musical instruments in order to properly indicate the various chords, notes, scales, and the like. Illustration included.
Date: October 10, 1905
Creator: MacMaster, James
System: The Portal to Texas History
Spark-Arrester (open access)

Spark-Arrester

Patent for an improved and simplified spark arrester, which deflects sparks and other products of combustion back into the furnace or into a designated receptacle.
Date: October 10, 1905
Creator: Anderson, Oliver Lacy
System: The Portal to Texas History