Search Results
-
Extrusion of a half-inch diameter hose on tuber
- Circa 1949
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…
-
Dumping of mixed stock from Banbury Mixer
- Circa 1949
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…
-
Banbury Mixer in the Rubber Compounding and Processing Laboratory
- Circa 1949
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…
-
Banbury charging operation
- Circa 1949
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…
-
Cutting operation for cross blending of ingredients
- Circa 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…
-
Final blending by passing stock through rolls endwise
- Circa 1949
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…
-
Rubber Compounding and Processing Laboratory
- Circa 1949
General view of the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station's Aeronautical Materials Laboratory. Two workers and an assortment of machinery and scientific apparatus, including…
-
Mixing Mill at the Rubber Compounding and Processing Laboratory
- Circa 1949
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.…
-
Incorporation of ingredients with rubber stock
- Circa 1949
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…
-
Rubber Compounding and Processing Laboratory
- Circa 1949
General view of the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station's Aeronautical Materials Laboratory. Two workers and an assortment of machinery and scientific apparatus, including…
-
Letter from G. B. Kistiakowsky to Theodor Benfey
- 1947-Jan-13
Concerns scheduling of a tour around Kistiakowsky's laboratory at Harvard for Benfey.
-
Letter from Percy L. Julian to Bernhard Witkop
- 1949-Jan-05
Concerns Robert B. Woodward's synthesis of methochloride of sempervirine. Also discusses an error made by Julian in the lab and communicated to Witkop in an earlier letter.
-
Letter from Irène Joliot-Curie to Monsieur [Raymond] Delaby
- 1947-Mar-07
Letter from Irène Joliot-Curie (1897-1956) to Raymond Delaby (1891-1958), general-secretary of the International Union of Pure and Applied Chemistry (IUPAC) concerning the appointment of Norwegian radiochemist Ellen…
- Author Joliot-Curie, Irène, 1897-1956
- Contributor International Union of Pure and Applied Chemistry
- Addressee Delaby, Raymond
- Subject Joliot-Curie, Irène, 1897-1956, International Union of Pure and Applied Chemistry, Nobel Prize winners, Women Nobel Prize winners, Women chemists, Women in science, Gleditsch, Ellen, 1879-1968
-
Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-20
Request from the National Defense Research Committee for a Model L Pauling Oxygen Meter to test at high altitudes in airplanes.
Developed from a Linus Pauling design during WWII, the technology behind Beckman…
-
Letter from Julius Kauffman to S. S. Prentiss
- 1945-Sep-26
This letter to Dr. Spencer S. Prentiss of the National Defense Research Committee describes the results of the clinical trial of the Pauling Oxygen Meter by the United States Army. The Army decided not to standardize…
- Addressee Prentiss, Spencer S.
- Author Kauffman, Julius
- Subject Scientific apparatus and instruments, Oxygen--Measurement, United States. Army. Medical Corps, United States. Office of Scientific Research and Development. National Defense Research Committee, Beckman Instruments, Inc., World War (1939-1945)
-
Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-May-29
Letter regarding the possible development of an aviation model of the Pauling Oxygen Meter for the Bureau of Aeronautics.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’…
-
Letter from Julius Kauffman to S. S. Prentiss
- 1945-Aug-30
Letter summarizes the final report produced by testing the Pauling Oxygen Meter at the Army Medical Center. The final recommendation of the report is that this oxygen meter should not be standardized for use by the U.S.…
-
Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-06
Letter inquiring about the price and delivery of model P and A Pauling Oxygen Meters for use by the National Defense Research Committee. This letter was originally sent to Dr. Beckman with another letter from Spencer…
-
Letter from S. S. Prentiss to Arnold O. Beckman
- 1945-Feb-06
In this letter, Dr. Prentiss inquires about the possibility of combining a moisture detector and an oxygen meter, presumably for use in submarines. At the time, Dr. Spencer S. Prentiss was working for the National…
-
Letter from Reuben E. Wood to Spencer Prentiss
- 1945-Jan-22
Letter regarding various requirements for the Pauling Oxygen Meter, including the possibility of making a combination moisture detector and oxygen meter. At the time, both Reuben Wood and Dr. Spencer S. Prentiss were…
-
Letter from Durand Churchill, Jr. to Arnold O. Beckman
- 1945-Feb-08
Letter regarding the extension of the military contract for Beckman Instruments' Pauling Oxygen Meter development. This letter also mentions the possibility of using the instrument inside oxygen tents.
Developed from a…
-
Two models standing on plank of Styrofoam
- 1949
View of two female models standing on a plank of Dow Chemical Company Styrofoam to demonstrate the product's sturdiness and durability. Several boxes of Styrofoam products are visible in the background.
Invented in…
- Contributor Dow Chemical Company
- Subject Dow Chemical Company, Women in advertising, Foam, Advertising, Polystyrene, Women employees
-
Model lifting Styrofoam log
- 1949
View of a female model lifting a log of Dow Chemical Company Styrofoam over her head to demonstrate the product's buoyant and lightweight properties. Several stacks of Styrofoam logs are visible in the background.
…- Contributor Dow Chemical Company
- Subject Dow Chemical Company, Women in advertising, Foam, Advertising, Polystyrene
-
Instructions for replacing Nernst Glower in Beckman IR-1 Spectrophotometer
- 1945-Dec-01
A Nearnst glower is a now-obsolete device that uses a cylindrical rod of heated oxides to deliver infrared radiation in instruments used for spectroscopy.
The Beckman Instruments IR spectrophotometers began as a…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
-
Beckman IR Spectrophotometer final assembly wiring
- 1946-May-20
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…