General view of packaged rolls of saran film at a Dow Chemical Company manufacturing facility in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport during World War II,…

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 two unidentified employees prepping cases of Saran Wrap for transport at a Dow Chemical Company manufacturing facility 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…

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 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…

Two views of an unidentified employee 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 of…

Two views of a tour group observing the extrusion of a saran bubble from a rolling machine at the Dow Chemical Company plant in Midland, Michigan. The individuals visible in the photograph are identified as follows…

Four views showing various stages of the extrusion of saran bubbles from a rolling machine at the Dow Chemical Company plant in Midland, Michigan. The employee visible in the photographs is unidentified. During…

Color photograph showing 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. The individuals visible behind the bubble, likely…

General view of an unidentified employee observing the extrusion of saran bubbles from rolling machines at the Dow Chemical Company plant in Midland, Michigan. During production, saran film passed through a series of…

General view of an unidentified employee 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 of…

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…

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…

General view of 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. The individuals visible behind the bubble, likely taking a tour…

Illustrated depiction of the production of Saran Wrap at the Dow Chemical Company in three stages. Stage 1 depicts the harvesting of raw materials, including petroleum and brine, and the manufacture of assorted…

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…

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 left-hand side of…

Elevated view of the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan taken from the perspective of the vertical retort, with view of wood storage in background. Seeking a source of raw…

General view of the vertical retort and wood loading conveyor at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. Providing a sense of scale, two unidentified employees are visible in…

General view of the interior of the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan, with view of various employees and machinery. The employees pictured in the photograph are…

Close-up view of a newly-installed reproduction of the Dow Chemical Company's diamond emblem on the roof of the South Power Station at the Company's headquarters in Midland, Michigan. An unidentified Power Division…

Three views of the installation of a new sign on the roof of the South Power Station at the Dow Chemical Company's headquarters in Midland, Michigan. Installed in 1950, the sign measured 217 feet long and was visible to…