405 Matching Results

Search Results

Advanced search parameters have been applied.

[Chemistry Class, Spring 1900, North Texas State Normal College]

Description: Photograph of the Chemistry Class, Spring 1900, of the North Texas State Normal College. 9 young women and 7 young men are seen sitting and standing in a classroom, around a table, on which rest a number of pieces of scientific equipment. All wear aprons. Photographic print mounted on card backing. Handwritten notation below photo "The Chemistry Class 1900 - [Spring]". Reverse of mount with several handwritten notes: "Chemistry Class 1900 North Texas Normal College"; "Y873", and "Chemistry students, 1900"; The reverse also has a typed label "Chemistry Class 1900 North Texas Normal College", with handwritten notation "3 col [illeg] zinc halftone".
Date: Spring 1900
Partner: UNT Libraries Special Collections

[The Physics Class, Spring 1900, North Texas State Normal College]

Description: Photograph of the Physics class, spring 1900, North Texas State Normal College. Two women are seen seated at either end of a long table on which are seen books and various scientific apparatus, and 13 men and women stand behind the table, most looking to the camera. Photographic print mounted on embossed board.
Date: Spring 1900
Partner: UNT Libraries Special Collections

Baling-Press.

Description: Patent for new bailing press that that improves "hay-presses of the full circle or continuous type for baling hay, straw, and the like." (lines 8-10) Illustrations included.
Date: May 1, 1900
Creator: Leineweber, Francis & Welge, Charles
Partner: UNT Libraries Government Documents Department

Tongs.

Description: Patent for tongs with gripping jaws that are removable and have variable gripping surfaces on each vertical side of the jaws.
Date: December 11, 1900
Creator: Rice, John F.
Partner: UNT Libraries Government Documents Department

Casting Dental Plates.

Description: Patent for casting dental plates which builds upon a previous patent by the same inventor, Patent No. 633,222, accepted on September 19, 1899. This patent professes to eliminate previous issues with casting metal such as pinholes and air bubbles that create imperfections in the dental plates.
Date: May 27, 1902
Creator: Streetman, Willard
Partner: UNT Libraries Government Documents Department

Self-Locking, Nut.

Description: Patent for a "simple and efficient device" for "securely holding a nut upon a bolt" (lines 76-77).
Date: March 6, 1906
Creator: Galliher, Lawrence M.
Partner: UNT Libraries Government Documents Department

Self-Dumping Cage for Hoisting Coal, & c., from Mines.

Description: Patent for improvements in self-dumping cage for hoisting coal or other minerals by first provide a simple and easily-controlled dumping mechanism which can be set at bottom of shaft; second, to secure a positive action of the dumping mechanism and reduce the shock and strain commonly incident to the operation of self-dumping cages; third, to provide a firmer and more easily operated dog for holding car on cage-platform. (Lines 15-22) Illustration is included.
Date: June 25, 1901
Creator: Burdic, Malvern W.
Partner: UNT Libraries Government Documents Department

Car-Brake

Description: Patent for an invention that relates to innovations and improvements to railroad car-brakes.
Date: May 28, 1901
Creator: Boyers, Thomas Albert.
Partner: UNT Libraries Government Documents Department

Mattress-Machine

Description: Patent for "an improved machine for making mattress from lint-cotton and the like materials, which is compressed into a bat, ejected from the press, and in the process of being ejected inserted in the tick" (lines 9-13) including instructions and illustrations.
Date: January 1, 1901
Creator: Morgan, John W.
Partner: UNT Libraries Government Documents Department

Cigar-Cutter and Match-Safe.

Description: Patent for a match-safe and cigar-cutter “receptacle for holding matches from which only one match can be taken at one time and to means for shifting the matches and at the same time cutting a cigar-tip.” (Lines 7-11) Illustration is included.
Date: April 22, 1902
Creator: Taylor, James P.
Partner: UNT Libraries Government Documents Department

Hay-Press.

Description: Patent for hay presses with "a construction operable by horse-power in which the plunger will be operated as the sweep is moved in both directions and in which, furthermore, there will be an efficiency of operation and an economy of power" (lines 11-16).
Date: December 18, 1900
Creator: Bryant, Edward R.
Partner: UNT Libraries Government Documents Department

Car-Coupling

Description: Patent for invention relating "to improvements in automatic car-couplings" (lines 9-10) for railroad cars.
Date: April 16, 1901
Creator: Priddy, Miles C.
Partner: UNT Libraries Government Documents Department

Binder.

Description: Patent for improvements in binders in which it can “securely bind and retain a number of loose leaves, the structure of such binder enabling it to be readily attached to and removed from the packet of leaves.” (Lines 16-20) Illustration is included.
Date: March 22, 1904
Creator: Montgomery, Joseph
Partner: UNT Libraries Government Documents Department

Hoisting Bucket

Description: Patent for a clam-shell hoisting bucket that automatically opens and closes as it is lowered and elevated.
Date: October 21, 1902
Creator: Gearing, Charles M.
Partner: UNT Libraries Government Documents Department

Fuel-compressor.

Description: Patent for crushing fuel and introducing a combustible liquid, the combination of which is compressed by a vibrating plunger to create fuel blocks suitable for easy handling.
Date: January 15, 1901
Creator: Patterson, Warren A.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a "powerful wrench of simple construction, wherein the movement for the operation of the jaws is of slight degree, partially automatic, and easily affected" (lines 41-45).
Date: April 23, 1907
Creator: Tiner, John F.
Partner: UNT Libraries Government Documents Department

Hub-Attaching Device.

Description: Patent for hub attaching device. "This invention relates to means applied to ordinary vehicle-axles for preventing wear upon the same, a false wearing-surface being provided, which may be renewed when necessary, either on account of wear or for any other reason"(lines 11-16)
Date: November 18, 1902
Creator: Simon, Adolph P.
Partner: UNT Libraries Government Documents Department

Support for Attachment to Desks.

Description: Patent for "a stand, shelf, or holder for attachment to desks...for the purpose of supporting a type-writer [or] reference-book... the object in view being to provide a support of this character with means for attaching the same to a desk and means for swinging or revolving said support so that the... article may be readily and conveniently brought around to the front of the desk for use... and then swung back out of the way upon the side of the desk." (lines 12-24)
Date: August 11, 1903
Creator: Bell, William Jackson
Partner: UNT Libraries Government Documents Department