UNT Libraries Government Documents Department - 13 Matching Results

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Improvements In Dropping-Bottles
Patent for improvements in dropping-bottles that can be used by doctors, nurses, and pharmacists to dispense medicine one drop at a time.
Improvement in Permutation-Locks. [PAGES MISSING]
Patent for an improvement to combination locks. "It consists of various devices, which are operated by a revolving wheel having a number of projections or pins upon its periphery, which differ so materially from each other in shape that they can be easily recognized by day or night by the touch alone." (Lines 13-19) Illustration included.
Improvement in Permutation-Locks
Patent for an improvement in permutation locks.
Improvement in Bale-Ties.
Patent for "an improved fastening or tie for cotton-bales, &c.; and it consists of two angular plates, secured at the rear part to one end of the band generally used in baling cotton, &c., and the front part thereof being provided with V-shaped jaws, which engage with angular slots in the opposite end of the band." (Lines 12-19) Includes instructions and illustrations.
Improvement in Cotton-Cultivators.
Patent for a new improvement for a cotton-cultivator with different tools and connections, including instructions and illustrations.
Improvement in Combination Locks.
Patent for combination latch-locks, "in such manner as that the knob-latch, while performing its special function, will also serve as the lock upon any combination to which it may be adjusted, and the said latch can be operated from either the outside or inside of the door as a latch simply, or as a combination lock, which latter is further secured from the inside by the employment of a safety pin, rendering the bolt in its locked position perfectly secure, while by its partial withdrawal it prevents the possible change of the combination from the outside, and admits of the free use of the latch independent of such combination." (Lines 29-42) Includes instructions and illustrations.
Improvement in Plows.
Patent for "means whereby the beam of a plow may be elevated or depressed at the front end according to the depth to which it is intended that the plow shall run, and held securely at several points of adjustment." (Lines 11-16) Includes instructions and illustrations.
Improvement in Cotton Feeders and Cleaners for Cotton-Gins.
Patent for "devices for feeding seed-cotton to cotton-gins, and also, for cleaning the same preparatory to ginning; and it consists of a hopper having wires extending from side to side over a revolving toothed cylinder and a concave thrasher, and being made to reciprocate on a track by pinions on the ends of the thrasher-cylinder, working in double rack-bars, one in each side of the hopper, so contrived that the pinions run them over one way and under the other, making a simple and cheap mode of obtaining the motion." (Lines 6-18) Includes instructions and illustrations.
Improvement in Bridges.
Patent for an improvement in Bridges and Self-Supporting Roofs and Girders. The invention provides instruction for "the construction of truss-bridges and self supporting roofs and girders"..."by nailing or bolting securely together successive layers of plank joined at different points."
Improvement in Car-Couplings.
Patent for an improved train car-coupling, including illustrations.
Improvement in Car-Couplings.
Patent for an improved automatic car-coupling, including illustrations.
Improvement in Cotton-Pickers.
Patent for an improvement in cotton-pickers with design specifications and a description of applications and usage, including illustrations.
Improvement in Watchmakers' Lathes.
Patent for the improvement of watchmakers' lathes by way of an adjustable bed.
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