9 Matching Results

Search Results

Drill-Bit.

Description: Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

[Shreveport Depot]

Description: Photograph of the T&P Depot in Shreveport, Louisiana. Text on the image says "T&P Depot 1910 Shreveport, La." Written below the image is "H.D. Conner Collection."
Date: 1910
Creator: Conner, H. D.
Partner: The Grace Museum

[Virginia-Carolina Chemical Company Notebook]

Description: A notebook sponsored by the Virginia-Carolina Chemical Co., featuring a discussion of their fertilizers and a calendar for 1911. The note pages themselves are filled with various notes and arithmetic from C. C. Cox.
Date: 1911
Creator: Virginia-Caroling Chemical Company
Partner: Private Collection of the CC Cox Family

Liquid Dispensing Apparatus.

Description: Patent for "certain new and useful Improvements in Liquid Dispensing Apparatus" (lines 5-7) describing new improvements, including instructions and illustrations.
Date: November 28, 1916
Creator: Bradley, Richard C.; Kinnebrew, Lee; Eastham, J. Malley & Ireland, C. Frank
Partner: UNT Libraries Government Documents Department

Rail-Bond.

Description: Patent for a rail bond that allows an electric current to travel through the rails.
Date: March 14, 1911
Creator: Humason, Granville A. & Odell, Edward F.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen