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Switch Stand for Dynamo Stations.

Description: Patent for a new and improved switch stand for dynamo stations. This design "is to provide a simple and efficient switch for introducing dynamos into an electric circuit and removing them therefrom . . . [The] invention consists in . . . outside circuit-wires . . . switch contacts arranged in pairs, there being as many pairs of such contacts as there are dynamos belonging to the circuit. It also consists[,] . . . with the pairs of contacts, of corresponding pairs of swinging arms, the arms of e… more
Date: March 26, 1889
Creator: Stewart, Robert Edward
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door Check.

Description: Patent for a new and improved door check. This design "consists in a sliding spring-bolt held in the upper edge of the door, combined with a curved notched frame, projecting from the door-frame, into the notches of which frame the end of the bolt can pass to hold the door in the desired potion. The sliding bolt is connected . . . [to] a crank-arm formed on one end of a spindle, provided on the opposite end with a handle-knob, the crank arm of which spindle can be adjusted to lock the spring-bol… more
Date: June 26, 1883
Creator: McCurdy, Thomas B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Jointer.

Description: Patent for a new and improved saw-jointer. This design consists in "two casts having longitudinal triangular grooves upon their inner facing sides, having the lower portions of their inner facing sides cut away to form a longitudinal groove, and having the upper portions of their inner facing sides bulged to form longitudinal halves of a socket, with a screw passing through the castings in the space between the bulged socket portions and the longitudinal grooves, the said grooves being adapted … more
Date: May 26, 1885
Creator: Fitzpatrick, Francis B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Cleaning and Handling Seed-Cotton

Description: Patent for "improved means for conveying seed-cotton from wagons or store-houses to a series of gins, to clean it during its passage, and to avoid clogging the gins or the devices themselves by rapid feeding of the cotton" (lines 14-18).
Date: November 26, 1889
Creator: Elam, William E.; Thomas, Robert S. & Hardwick, Sauny W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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