Steam-Boiler.

Steam-Boiler.

Date: March 5, 1861
Creator: Porter, John
Description: Patent for the improvement for steam boilers by having a detachable fire-box for a portable boiler with little maintenance and efficient as a steam generator, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Hand-Car.

Hand-Car.

Date: October 6, 1891
Creator: Lo Casto, Tony
Description: Patent for improvements in hand-cars by “providing gearing operated by cranks, on the shaft of which are arranged triangular balance devices, the cranks being adjustable by means of set-screws of other analogous means, so that they may be made to operate the wheels in either direction desired.” (Lines 24-29) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Transmitting Power.

Apparatus for Transmitting Power.

Date: February 8, 1870
Creator: Williams, Blasius
Description: Patent for a new invention which uses a combination of radiation and levers in order more efficiently transmit power. The patent includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Rifle-Barrels.

Improvement in Rifle-Barrels.

Date: December 11, 1877
Creator: Littlejohn, William
Description: Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Corn-Planters.

Improvement in Corn-Planters.

Date: May 5, 1874
Creator: Williams, Blasius & Cohn, Morris
Description: Patent for "corn-planters in which the corn is planted in hills or rows; and the particular features of [the] invention consist in the combination, with a pivoted rising and descending charger or cup, of a sleeve-seat for said charger, a charger-carrying stem, and the seed-hopper, whereby the charger is held and carried in position upon a seat to fill, to rise from said seat, and to dump upon its pivot, and to be again brought into and maintained in a vertical position upon said seat while descending through the corn, whereby the charger is held and moved vertically through the grain from the bottom of the hopper to receive and discharge the filled charge above the corn in the hopper." (Lines 7-22) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Soldering-Irons.

Improvement in Soldering-Irons.

Date: December 19, 1871
Creator: Williams, Joseph
Description: Patent for "an apparatus to be used with the common soldering-iron, whereby the same can be heated and kept heated continually while the iron is used." (Lines 6-9) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Spark-Arresters.

Improvement in Spark-Arresters.

Date: July 15, 1879
Creator: Lochner, Casper F.
Description: Patent for improved construction of spark-arresters, "so that they will be more efficient, and yet simple in construction and not liable to get out of repair; and the invention consists of a metallic circular cone, with winding or arched flanges or wings, which extend toward the side of the shall, and they are covered by a plate, to the upper side of which a perforated cylinder is attached, so that all the sparks are arrested and thoroughly extinguished, while the smoke can pass out through the perforations." (Lines 6-16) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Protector for Trunks or Shipping-Cases.

Protector for Trunks or Shipping-Cases.

Date: October 29, 1891
Creator: Jennings, Joseph Joshua
Description: Patent for trunk protectors "which can be readily attached and detached from the receptacle, and when attached will protect each corner." (lines 20-22) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Grinding-Mills.

Improvement in Grinding-Mills.

Date: July 23, 1872
Creator: Loy, George W. & Baker, Francis C.
Description: Patent for the improvement of grinding-mills, including a description and illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Apparatus for Photographing Children

Improvement in Apparatus for Photographing Children

Date: July 4, 1871
Creator: Sloan, William W.
Description: Patent for an improvement in machines for taking Photographs of small children.
Contributing Partner: UNT Libraries Government Documents Department
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