Group photograph depicting members of the chemistry club at Wilson College in Chambersburg, Pennsylvania. The group consists of nine women gathered around a table while observing one member pouring an unknown substance…

Photograph depicting a group of male and female chemistry students at an unknown school or college. The students are posed holding assorted laboratory equipment and glassware. Some of the female students are also…

Color photograph of Eleanor Vadala, Chemist, and C.A. Cassola, Division Superintendent, working with a barrel of radioactive material at the Naval Air Material Center's Aeronautical Materials Laboratory. Ms. Vadala…

Eleanor Vadala, chemist, demonstrating use of the Gammacell 220, a textile chemistry machine, at the Naval Air Material Center's Aerospace Materials Laboratory. The Gammacell 220 is a source of Cobalt-60 gamma…

Eleanor Vadala, chemist, and Dr. Earl Hayes, U.S. Defense Department, examining a display of airship fabric produced at the Naval Air Material Center. Ms. Vadala demonstrates the threads on an airship model while Dr.…

Laboratory staff in the High Polymer Division of the Naval Air Engineering Center's Aeromaterials Laboratory examining the first batches of new NARPOL polymers used to coat aircraft metals. The individuals in the…

Award ceremony in honor of Sally J. Ketcham, Metallurgist at the Naval Air Engineering Center located in Johnsville, Pennsylvania. The individuals in the photograph are identified as follows (from left): J. Hartley…

Black and white photograph of a Beckman Instruments employee modeling the use of a syringe to inject a sample into a Model E Ultracentrifuge vial.

Beckman Instruments began producing centrifuges after its January 1,…

Women employees and technicians assemble Helipot products at benches. The Helipot Division of Beckman Instruments mostly produced potentiometers and other electrical components.

Potentiometers regulate the flow of…

Women employees and technicians assemble Helipot products at benches. The Helipot Division of Beckman Instruments mostly produced potentiometers and other electrical components.

Potentiometers regulate the flow of…

This oxygen analyzer is being used to ensure food safety by measuring the oxygen content of the headspace inside food packaging. Oxygen readings that are too high could indicate an environment that encourages the growth…

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…

Letter from Marie Curie (1867-1934) to Einar Biilman, President of the International Union of Pure and Applied Chemistry (IUPAC) concerning an invitation to serve on IUPAC's Commission on Atomic Weights. Curie expresses…

This transistorized data processor was made for Aerojet Corporation in the early 1960s. It was produced by Beckman Instruments' Systems Division, which made (among other things) aerospace industry instruments like these…

The unidentified woman in this photograph is using a small, unidentified model of a Beckman/Spinco spectrophotometer.

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…

View of a secretary using a Termatrex Information Retrieval System at the Crompton & Knowles Research Center in Gibraltar, Pennsylvania. The system utilized punch-cards and a chemical identification code devised by…

General view of the Printing Department at the Althouse Chemical Company Customer Service and Quality Control Laboratory in Reading, Pennsylvania. Omer Bixler (left) is seen cutting fabric samples while technicians near…

General view of the Printing Department at the Althouse Chemical Company Customer Service and Quality Control Laboratory in Reading, Pennsylvania. Omer Bixler (left) is seen cutting fabric samples while technicians near…

View of dyeing technicians working in the Customer Service and Quality Control Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania. The technicians are engaged in a skein dyeing process whereby…

View of dyeing technicians working in the Customer Service and Quality Control Laboratory at the Althouse Chemical Company plant in Reading, Pennsylvania. The technicians are engaged in a skein dyeing process whereby…

The production room at the Helipot Division of Beckman Instruments, Inc., where mostly women employees assemble potentiometers, dials, and other small devices.

This computing spectrophotometer was controlled by a microprocessor and included a video graphics display.

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold…

View of a reservoir among the extensive salt fields in Solinen, Russia, located along the Black Sea, following evaporation. Women are seen breaking up the crust of salt formed by evaporation, while masses of salt…

A man in a lab coat and a woman with a clipboard record the readings of an HC/CO Tester attached to the tailpipe of an automobile. This instrument measures the levels of hydrocarbons (HCs) and carbon monoxide (CO)…