General view of Dearborn Chemical Company employee E.P. Fager preparing a water sample for testing. A stamp on the verso of the photograph for "The Fensholt Company," a public relations firm based in Chicago, suggests…

General view of employees at work in the Analytical Laboratory at the Dearborn Chemical Company's 35th Street laboratory facility located in Chicago, Illinois. The two employees visible in the foreground of the…

General view of employees (left to right) Ruth Johnson Dugo, Lillian Kazmierzki, Valentine I. Miciulis, and Serge Levicki at work in the Analytical Laboratory at the Dearborn Chemical Company's 35th Street laboratory…

Two-page article from the "News Edition" of the magazine of the American Chemical Society profiling Dr. Eugene Cornelius Sullivan (1872-1962).

Eugene C. Sullivan was born on January 23, 1872 in Elgin, Illinois and…

Frank H. Field was raised in Cliffside Park, New Jersey, by an aunt, an uncle, and a grandmother. He entered Duke University, placing a year ahead in chemistry, but had very little money. To meet his expenses he worked…

Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round red rubber bulb attached to one end of the glass. Stamp in black ink on red bulb reads "Ingram's/'Omega'/London."

Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round black rubber pump attached to one end of the glass.

Banana-shaped bottle design enabled ease of cleaning, making this bottle widely known as the hygienic baby bottle.

A: Boat-shaped molded glass bottle. Embossed on one side of bottle are measurements in tablespoons;…

Long stem, round bottom flask with custom flange. Needle-size hole on opposite side of flange allows for release of pressure.

John H. Beynon was born in Ystalyfera, Wales, the older of two sons whose parents ended their education at secondary school. Beynon grew up in a coal mining town and attended a local university, the University of Wales…

Close-up view of a Plexiglas auger (a type of drilling device or drill bit) manufactured at an unidentified Rohm and Haas Company facility.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through…

General view of the production of a Plexiglas auger (a type of drilling device or drill bit) at an unidentified Rohm and Haas Company facility. The employee visible in the photograph is also unidentified.

The Rohm and…

General view of several employees using a crane to move a heat treatment tank in preparation for the expansion of rosin-making facilities at the Hercules Powder Company plant in Brunswick, Georgia. One of two Hercules…

General view of safety inspector John Cloer at work in the foam house at the Hercules Powder Company plant in Brunswick, Georgia, with view of assorted fire-fighting and fire-suppression apparatus. One of two Hercules…

General view of boilermaker Hubbie H. Hattaway operating an acetylene cutting torch in the machine shop at the Hercules Powder Company plant located in Brunswick, Georgia. Per notations accompanying the photograph, the…

General view of employee Edward Newmans clearing spent wood chips from an extractor tank at the Hercules Powder Company plant in Brunswick, Georgia. One of two Hercules plants specializing in naval stores, the Brunswick…

General view of Stan Fenelon (left), Pexite rosin and refinery supervisor, and Clarence Darley (right), day relief operator, examining the rosin solution evaporator apparatus at the Hercules Powder Company plant in…

Close-up view of chemist Francis Ptak holding a rack of Nessler tubes at a Gascoyne Laboratory facility located in Baltimore, Maryland. A Perkin-Elmer automated, multi-element spectrophotometer is visible in the…

General view of a Triton kettle located in Building 26 of the Rohm and Haas Company chemical manufacturing plant in Bridesburg, a neighborhood located along the Delaware River in the Northeast section of Philadelphia,…

Electric-powered meter with instructions housed in wooden box. Movable components within box: two (2) slide glass filters (1 with red, green, and blue slides; 1 with orange, green, and blue slides); one (1) encasing to…

A: Bulb containing mercury attached to a glass tube of narrow diameter. Thermometer has Celsius scale with 20-30 degree range with major divisions every 1 degree and minor divisions every 0.1 degree.

B: Protective…

A: Bulb containing mercury attached to a glass tube of narrow diameter. Thermometer has Celsius scale with 0-100 degree range.

B: Protective cardboard tube for the thermometer (not digitized).

Partial immersion…

Two views of the vertical retort and wood loading conveyor at the Cliffs Dow wood sawmill and distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the…

General view of a section of the wood storage at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. The employee visible in the photograph is unidentified.

Seeking a source of raw…

General view of an unidentified employee standing on top of a pile of logs at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. An Insley Excavator is visible on the right-hand side of…