View of the Banbury Mixer used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mixer is a Farrel-Birmingham Co. size B Banbury Mixer with a 25 H.P. motor and four-speed…

View of a worker inserting rubber stock into the Banbury Mixer at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mixer was used to break down and mix rubber…

View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…

View of a worker closing the hydraulic press in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This unit is a 200-ton capacity Williams-White Moline machine equipped with three…

Charlotte experimental colloid mill used in the Naval Air Experimental Station's Latex and Chemical Laboratory for the preparation of finely divided dispersions and emulsions. This photograph was included in a 1949…

View of a worker cutting rubber stock from the mixing mill at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mill was used to mix rubber stocks or warm mixed…

View of a worker dumping mixed rubber stock from the Banbury Mixer at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mixer was used to break down and mix rubber…

General view of the Dynamic Test Laboratory at the Naval Air Experimental Station showing forced vibration machines and other equipment used to test rubber articles produced at the Station under simulated service…

General view of an electronically-controlled constant rate of load tensile machine used in the Naval Air Experimental Station's Physical Properties Laboratory. Tensile machines are commonly used to subject materials…

View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…

View of a worker holding a piece of rubber tubing as it is extruded from the tuber machine in the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. This tuber, a variable speed H.P. Royle…

View of a worker passing rubber stock through the mixing mill at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mill was used to mix rubber stocks or warm mixed…

General view of the Goodrich Flexometer used in the Naval Air Experimental Station's Dynamic Test Laboratory. The flexometer was used to determine the heat build-up and hysteresis characteristics of rubber specimens…

General view of the hydraulic press in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This unit is a 200-ton capacity Williams-White Moline machine equipped with three 24" x 24"…

View of chemist adding unidentified ingredients to rubber stock in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The primary purpose of the laboratory was the production of…

General view of the Latex and Chemical Laboratory at the Naval Air Experimental Station. An assortment of laboratory glassware, apparatus, and instruments used for various phases of experimental and developmental work…

Assorted latex mixers and stirrers used in the Naval Air Experimental Station's Latex and Chemical Laboratory to mechanically froth, foam, and mix latex. The machines depicted in the photograph are identified as follows…

View of the mixing mill used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mill is an Adamson 6" by 16" two-roll machine powered by a 7 1/2 H.P. motor with chain drive.…

General view of the Mogul Experimental Mixer used in the Naval Air Experimental Station's Sealants and Adhesives Laboratory. Equipped with "Z" type agitators and a tilting chamber fitted with a removable,…

Set of standard test specimen molds and vulcanized rubber products produced and used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This photograph was included in a 1949…

General view of the Mooney Viscometer in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. At the laboratory, the viscometer was used to determine the plasticity and scorch rate of…

General view of the Emerson Oxygen Aging apparatus, with two bombs, housed in the Naval Air Experimental Station's Oven and Accelerated Aging Room. Located inside a shelter within the aging room, this apparatus and…

General view of the Physical Properties Laboratory at the Naval Air Experimental Station showing assorted equipment used for the evaluation of rubber and rubber-like materials. Machinery and apparatus used in the…

Plastometers, resiliometers, and other apparatus used to evaluate rubber and rubber-like materials in the Naval Air Experimental Station's Physical Properties Laboratory. The instruments visible in the photograph are…

Portable Pyrometer and accessories used to take accurate temperature measurements of roll surfaces and platens in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This photograph…