Instruments & Innovation

General view of laboratory technicians analyzing assorted materials in a Dow Chemical Company laboratory. Per notations accompanying the photograph, Bill Herrick (left) is analyzing calcium chloride, which was used for…

General view of technician Leo Ruhnau using an apparatus to determine the percentage of hydrochloric acid in Dowell acids at a Dow Chemical Company laboratory.

General view of technicians Marguerite Tenhunen (left) and Dorothy Ferris (right) using assorted apparatus in a Dow Chemical Company laboratory to determine the quantity of zinc present in experimental alloys.

General view of the interior of a section of the Dow Chemical Company Glycol plant located in Midland, Michigan.

General view of two unidentified employees at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. The employees are seen stretching a length of film between two rollers. During…

Elevated view of employees at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. During production, saran film was trimmed and wound into so-called inventory rolls, such as…

General view of saran bubbles being extruded from rolling machines during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film passed through a series of…

General view of an unidentified employee inspecting a saran bubble as it is extruded from a machine during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film…

General view of employees at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport during World War…

General view of an unidentified employee at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. Saran plastic is seen passing through some type of bath or wash by virtue of a…

General view of an unidentified employee at work in the Dow Chemical Company plant facilities located in Midland, Michigan. Several industrial-sized reaction vessels are visible in the photograph.

General view of an unidentified employee handling a saran bubble as it is extruded from a machine during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film…

General view of the assembly of rolls of Saran Wrap at the Dow Chemical Company plant in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport during World War II, saran…

General view of the extrusion of saran bubbles from rolling machines at the Dow Chemical Company plant in Midland, Michigan. During production, molten saran polymer was extruded from circular dies, then cooled and…

Close-up view of an unidentified employee at work in the saran film manufacturing facilities at the Dow Chemical Company plant located in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and…

General view of sheets of saran film moving through a rolling machine at a Dow Chemical Company manufacturing facility in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport…

General view of a conveyor belt transporting rolls of Saran Wrap at a Dow Chemical Company manufacturing facility in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport…

Elevated view of a conveyor belt transporting boxes of Saran Wrap at a Dow Chemical Company manufacturing facility in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport…

General view of employee Louis Vallaincourt observing the extrusion of a saran bubble from a rolling machine at the Dow Chemical Company plant in Midland, Michigan. During production, saran film passed through a series…