Improvement in Pile-Drivers. (open access)

Improvement in Pile-Drivers.

Patent for an improved pile-driver device which automates the release of the pile-driver hammer as well as including a perpendicular device which advances the device longitudinally as the work progresses.
Date: January 22, 1875
Creator: McDermott, Martin
System: The Portal to Texas History
Improvement in ventilating cars, &c. (open access)

Improvement in ventilating cars, &c.

Patent for a system which prevents ashes and cinders from railroad engines from entering the train cars and also allows for ventilation of the cars. Includes illustration.
Date: August 22, 1876
Creator: Andrews, Wright S.
System: The Portal to Texas History
Improvement in Manufacturing Anti-Corrosive Compounds. (open access)

Improvement in Manufacturing Anti-Corrosive Compounds.

Patent for "an anti-corrosive coating for iron and all other metals, and one which in all respects does positively preserve the same, and into the composition of which enters as an element neither lead, oil, nor any other ingredient that contains any destructive or otherwise deleterious acid or alkali." (Lines 7-13) Includes instructions.
Date: December 22, 1874
Creator: Lee, Archibald K.
System: The Portal to Texas History
Improvement in Putting Up Caustic Alkalies. (open access)

Improvement in Putting Up Caustic Alkalies.

Patent for a method of packaging caustic alkalies inside of treated paper or wood. This patent describes the mixture and use of this treatment.
Date: December 22, 1874
Creator: Lee, Archibald K.; Middleton, George W. & Smith, Joseph C.
System: The Portal to Texas History