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[Petroleum Container Manufacturing]
Photograph of workers inside a factory making containers for petroleum products with various tools and machinery. All of the workers are female, besides one man near the center of the image. The photograph is dated on the bottom right corner with the date 3-2-26. An accompanying card (with the Texaco logo on the bottom) labels the photograph "Manufacturing containers for petroleum products."
Date:
March 2, 1926
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
Hydraulic Swivel
Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.
Date:
March 7, 1922
Creator:
Black, Lee J.
Object Type:
Patent
System:
The Portal to Texas History
Still and Still-Setting
Patent for steam still improvements using an open steel frame for support of the still. This steel frame allows for heating by methods other then steam and easy access to the bottom plates of the still to see if there is leakage.
Date:
March 30, 1920
Creator:
Henderson, Herbert
Object Type:
Patent
System:
The Portal to Texas History
Hydraulic Swivel.
Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.
Date:
March 22, 1921
Creator:
Black, Lee J.
Object Type:
Patent
System:
The Portal to Texas History
Grain-Car.
Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.
Date:
March 15, 1921
Creator:
Dukes, Sandy
Object Type:
Patent
System:
The Portal to Texas History