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Calculating Device.
Patent for a new and improved calculator. This design "consists in having a central disk provided on each side with a disk somewhat smaller, the three being pivoted centrally, so that the smaller disks on the sides may be rotated independently of the central disk. The central disk has twelve or more marginal figures on each side, equidistant from each other, and a column of figures extending inwardly from each marginal figure" (lines 19-27).
Date:
November 24, 1885
Creator:
Tucker, Argyle W.
Object Type:
Patent
System:
The Portal to Texas History
Cultivator.
Patent for a cultivator, a type of farm implement used for secondary tillage, a way of plowing or cultivating of soil, including illustrations.
Date:
November 17, 1885
Creator:
Brown, Peter C. & Bragg, Thomas P.
Object Type:
Patent
System:
The Portal to Texas History
[Letter from Neal Moore to Henry Moore, November 11, 1885]
Letter from Neal Moore to his cousin Henry Moore. Neal writes about the start Henry discovered on the 30th of August. He says that it is a shame that it seems to be "going out." He also says that he read in the paper that a Dr. Hartwick announced he discovered the new star on August 31.
Date:
November 11, 1885
Creator:
Moore, Neal
Object Type:
Letter
System:
The UNT Digital Library