Search Results
-
Calender sheeting operation
- Circa 1949
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…
-
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
-
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
-
Guide to replacing absorption cell windows in Beckman IR spectrophotometer
- 1949-Mar-17
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…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
-
Beckman Pocket Dosimeters: Operating & Maintenance Instructions
- Bulletin 206
- Circa 1949
The Pocket Dosimeter was designed to be a portable radiation monitoring system, carried by people to protect themselves against gamma and x-ray exposure.
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Radiation dosimetry, Radiation, Dosimeters, Beckman Instruments, Inc.
-
Mark of a modern refinery...
- Circa 1948
This ad markets several Beckman instruments -- the Model R pH Indicator, the IR Spectrophotometer, and the DU Spectrophotometer -- for use in the oil refining industry.
-
Beckman Model R pH meter
- 1942 – 1959
The Model R Industrial pH Meter was first produced in 1942, although this photograph was likely taken much later.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
-
Unequalled for Precise Research and Analytical Work
- 1940s
This advertisement for the Model G pH meter highlights the different electrodes that could be used with it. The Model G was Beckman Instruments's first commercial pH meter.
Arnold Beckman invented his first pH meter in…
-
2 items
Pauling Oxygen Analyzer
- 1940s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
-
Interior of Beckman IR-1 Spectrophotometer
- 1940s
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…
-
Demonstration of a Beckman Model B Spectrophotometer
- 1940s
An unidentified man with a tattoo on his forearm has removed the case of a Model B DU Spectrophotometer in order to demonstrate its functions to three other (also unidentified) men.
The first Beckman Instruments DU…
-
Dumbell part of Pauling Oxygen Meter
- 1940s
This glass dumbbell was key to the functioning of the Pauling Oxygen Meter, although production was tricky and originally required a human glass blower to shape the hollow ends of the tiny dumbbell with puffs of breath.…