Strontium Program Quarterly Summary Report: November 1958 - January 1959 (open access)

Strontium Program Quarterly Summary Report: November 1958 - January 1959

From Abstract: "This report is one of a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests." Herein are reported data which have accrued since HASL-51. In particular, the levels of strontium 90 in fallout, milk, tap water, vegetation, and foods are given, based on data available from November 1, 1958 to January 30, 1959."
Date: February 24, 1959
Creator: Hardy, Edward P., Jr. & Klein, Stanley
Object Type: Report
System: The UNT Digital Library
Wheeled Plow. (open access)

Wheeled Plow.

Patent for a wheeled plow with multiple accessories attached to it that allows for adjustment of each accessory separately, holds the weight of the parts better, and keeps the parts more securely connected to the plow.
Date: February 26, 1907
Creator: Hendon, Walter P.
Object Type: Patent
System: The Portal to Texas History
Electromagnetic Ore-Separator. (open access)

Electromagnetic Ore-Separator.

Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Object Type: Patent
System: The Portal to Texas History
Photographic Copying Apparatus (open access)

Photographic Copying Apparatus

Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
Object Type: Patent
System: The Portal to Texas History
Automobile Road-Light. (open access)

Automobile Road-Light.

Patent for an automobile road-light improvement that causes the lights of a moving vehicle to move in conformity of the vehicle itself. The device is readily attachable to automobiles of standard type.
Date: February 25, 1919
Creator: Tausch, Joseph H.
Object Type: Patent
System: The Portal to Texas History
Trombone. (open access)

Trombone.

Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
Object Type: Patent
System: The Portal to Texas History