Patent for a new and useful improvement in the method of purifying oils, particularly applicable to cracked gasoline.

Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.

Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.

Patent for the manufacture of Aluminum Chloride that can be carried out at lower temperatures with aluminum ore or compound, such as bauxite, sulfur and chlorine, and involves no cooking.

Patent for improvements of manufacture of aluminum chloride, comprising "a method of utilizing certain oily residues which are the result of treatment of oils with aluminum chloride or with substances capable of forming aluminum chloride" (lines 11-14), including illustrations.

Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.

Patent for a shutter for motion picture cameras to eliminate flickering. Produced by stamping the device from sheet metal.

Yearbook for Port Arthur High School in Port Arthur, Texas includes photographs of and information about the school, student body, teachers, and organizations.

Letter from Self Winding Clock Company to Edgar B. Sutherlin, on February 6, 1922, telling him how he can improve the illumination of the dials on the street clock he bought from them.

Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.

Photograph of boys in basketball uniforms in two rows in front of a building in Port Arthur. Four of them sit on a bench with a basketball between the middle two boys, and four more boys and their coach stand behind the bench. The logos on the boys' uniforms and the text on the basketball have been colored yellow.

Photograph of a Beaumont Fire Department engine decorated for the Christmas parade. There are several firefighters in uniform on and around the engine with a man dressed as Santa Claus sitting on the top of the fire engine. The back of the photo reads "1922 or 23, Eng 1, Stutz Pumper."

Photograph of the Carr family on the shore of the Gulf of Mexico beach near Sabine Pass. There is a small child and man in a hat near the bottom of the photograph. Two women are standing behind them with a dog and looking towards the camera.

Photograph of the Carr family posing outdoors. One older man with a mustache is seated, and three women and one man are standing behind him with their hands on the back of his chair.

Photograph of the Carr family at the beach. There are two women, one man, one child, and one dog. Handwriting on the back of the photograph indicates that the car they are next to was one of the first automobiles in Port Arthur.

Photograph of the Port Arthur, Texas, ship canal and bridge showing signs of erosion. The grass and sand of the bank shows vehicle tracks, leading back past power lines and towards houses. The mid portion of the photo displays the bridge raised over the canal with some people standing along the structure. On the lower right portion of the photo is a dated note describing the view.