Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings, and more especially to that part or portion of the mechanism usually termed 'link-lifters;' and the object of the invention is to provide means whereby the link can be lifted and caused to enter the draw-head of an approaching car by the operator when standing alongside the stationary car" (lines 7-14).
Date: April 1, 1890
Creator: Small, Henry
Object Type: Patent
System: The Portal to Texas History
San Antonio Monthly Reports: March 1982 [Part 1] (open access)

San Antonio Monthly Reports: March 1982 [Part 1]

Compilation of monthly reports from departments in the city of San Antonio, Texas providing statistics, project updates, and other information about services and activities. This set of reports includes information about permits and the Board of Adjustment & Historic Preservation for March 1982.
Date: April 1, 1982
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
San Antonio Monthly Reports: March 1983 [Part 1] (open access)

San Antonio Monthly Reports: March 1983 [Part 1]

Compilation of monthly reports from departments in the city of San Antonio, Texas providing statistics, project updates, and other information about services and activities.
Date: April 1, 1983
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
San Antonio Monthly Reports: March 1993 (open access)

San Antonio Monthly Reports: March 1993

Compilation of monthly reports from departments in the city of San Antonio, Texas providing statistics, project updates, and other information about services and activities.
Date: April 1, 1993
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
San Antonio Monthly Reports: March 1991 (open access)

San Antonio Monthly Reports: March 1991

Compilation of monthly reports from departments in the city of San Antonio, Texas providing statistics, project updates, and other information about services and activities.
Date: April 1, 1991
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
San Antonio Monthly Reports: March 1982 [Part 2] (open access)

San Antonio Monthly Reports: March 1982 [Part 2]

Compilation of monthly reports from departments in the city of San Antonio, Texas providing statistics, project updates, and other information about services and activities. This set of reports includes information about permits for March 1982.
Date: April 1, 1982
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
San Antonio Monthly Reports: March 1981 (open access)

San Antonio Monthly Reports: March 1981

Monthly reports documenting San Antonio municipal board activities and city permitting for March 1981.
Date: April 1, 1981
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
San Antonio Monthly Reports: March 1992 (open access)

San Antonio Monthly Reports: March 1992

Compilation of monthly reports from departments in the city of San Antonio, Texas providing statistics, project updates, and other information about services and activities.
Date: April 1, 1992
Creator: San Antonio (Tex.)
Object Type: Report
System: The Portal to Texas History
Manifold-Writing Tablet. (open access)

Manifold-Writing Tablet.

Patent for writing platform which allows for the creation of carbon copies.
Date: April 1, 1879
Creator: Morris, Robert, C.
Object Type: Patent
System: The Portal to Texas History
Sulky-Lister (open access)

Sulky-Lister

Patent for improved version of sulky-lister, with more effective spring between planter and lister-plow. Improvements include ability for covering disks to move downward and function at required drill depth.
Date: April 1, 1902
Creator: Engelmann, Gustav
Object Type: Patent
System: The Portal to Texas History
Nut-Cracker. (open access)

Nut-Cracker.

Patent for improvements in nut-cracker by using “a pair of bent handle-limbs pivoted together near the bends of the limbs, a hammer-block rigidly secured on the opposite end of each handle-limb; each hammer-block having a cavity, these cavities being formed in opposed ends of the hammer-blocks; a handhold in each handle-limb, and a guide-piece having parallel members affixed by their ends on one of the handle-limbs, and loosely embracing the other handle-limbs.” (P. 2, lines 42-51.) Illustration is included.
Date: April 1, 1902
Creator: Dickey, William V.
Object Type: Patent
System: The Portal to Texas History
Gearing (open access)

Gearing

Patent for gearing for a flying machine. This gearing will allow for two independent drive shafts to work with tow independent engines to allow both engines to connect to either or both draft shafts.
Date: April 1, 1913
Creator: Herrmann, Ernst W.
Object Type: Patent
System: The Portal to Texas History
Fuel Heater For Internal Combustion Engines (open access)

Fuel Heater For Internal Combustion Engines

Patent for a fuel heating system designed to be incorporated into combustion engines.
Date: April 1, 1919
Creator: Vaughan, E. A.
Object Type: Patent
System: The Portal to Texas History