Air-Brake-Setting Appliance (open access)

Air-Brake-Setting Appliance

Patent for an air brake apparatus for train cars which automatically activates when a train car is derailed. Illustrations included.
Date: April 13, 1909
Creator: Gale, Albert & Lilley, Doc M.
System: The Portal to Texas History
Artificial Stone (open access)

Artificial Stone

Patent for artificial stone.
Date: April 5, 1904
Creator: Steger, Virge
System: The Portal to Texas History
Dish-Drainer (open access)

Dish-Drainer

Patent for dish-drainer.
Date: April 21, 1903
Creator: Cleek, Florence
System: The Portal to Texas History
Spring-Scale. (open access)

Spring-Scale.

Patent for improvements in spring-scales by providing novel means for measuring and indicating the quality of liquid left in or drawn from a container. (Lines 9-10) Illustration is included.
Date: April 22, 1902
Creator: Smith, John D.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for an acetylene gas generator, which claims to improve upon this device by simplifying the "means for feeding carbid to the water," (line 14) hence making it "more efficient and durable in use and less expensive to manufacture." (lines 19-21)
Date: April 3, 1906
Creator: Dulaney, John B.
System: The Portal to Texas History