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Department Archives Remove constraint Department: Archives Genre Photographs Remove constraint Genre: Photographs Genre Stereographs Remove constraint Genre: Stereographs Subject Employees Remove constraint Subject: Employees

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    • after 1895

    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…

    • after 1895

    View of a worker examining a rotary dryer for drying salt at an unknown facility in Hutchinson, Kansas. This photograph is one of a set of six stereographs detailing the mining and production of salt.

    • after 1895

    View of salt vats where water is evaporated by means of solar heat at an unknown facility in Syracuse, New York. This photograph is one of a set of six stereographs detailing the mining and production of salt.

    • after 1895

    View of a worker inserting sticks of dynamite into blasting holes at a rock salt mine in Kansas. This photograph is one of a set of six stereographs detailing the mining and production of salt.

    • after 1895

    View of two workers operating a compressed air drill in a Kansas salt mine. This photograph is one of a set of six stereographs detailing the mining and production of salt.

    • after 1895

    View of a worker drilling bolt holes into finished steel rails at an unknown manufacturing plant. This photograph is one of a set of seven stereographs detailing the production of steel.

    • after 1895

    View of several workers removing a steel plate from a cutting machine at an unknown manufacturing plant. This photograph is one of a set of seven stereographs detailing the production of steel.

    • after 1895

    View of two workers using a rolling mill to compress and lengthen billet blooms, a semi-finished steel product often transformed into finished products like rails or wire rods, at an unknown manufacturing plant. This…

    • after 1895

    View of a worker using an electric machine to draw billet, a semi-finished steel product often transformed into finished products like wire rod, from a re-heating furnace at an unknown manufacturing plant. This…

    • after 1895

    View of a worker inserting a steel ingot, a piece of relatively pure material cast into a shape suitable for further processing, into a rolling mill at an unknown manufacturing plant. During the production of steel,…

    • after 1895

    View of a line of furnaces in an open hearth mill at an unknown manufacturing plant. During the conversion of iron into steel, raw materials such as molten iron are "charged" or deposited into the interior of a furnace,…

    • after 1895

    View of several workers forming the bottom of a Bessemer converter at an unknown manufacturing plant. The Bessemer converter takes its name from the "Bessemer process," an inexpensive industrial method for the…

    • after 1895

    View of a worker cooling pig iron, an intermediate product of smelting iron ore produced from a blast furnace, at an unknown manufacturing plant. At this stage of production, the pig iron has been placed in sand molds…

    • after 1895

    View of two workers constructing sand molds for pig iron, an intermediate product of smelting iron ore produced from a blast furnace, at an unknown manufacturing plant. Used to form pig iron ingots, such molds are…

    • after 1895

    View of two workers drawing off molten iron from a blast furnace to make pig iron, an intermediate product of smelting iron ore, at an unknown manufacturing plant. This photograph is one of a set of fourteen…

    • after 1895

    View of a worker transferring a finished ware to the tempering over at a Glass Works factory in New Jersey. This photograph is one of a set of five stereographs detailing the production of blown-glass bottles.

    • after 1895

    Detail view of blast furnaces and feed buckets at an unknown manufacturing plant, with a worker visible on the bottom left-hand side of the photograph. Used to chemically reduce and physically convert iron oxides into…

    • after 1895

    View of two workers rolling and shaping a bottle neck at a Glass Works factory in New Jersey. This photograph is one of a set of five stereographs detailing the production of blown-glass bottles.

    • after 1895

    View of a worker preparing to finish a bottle neck at a Glass Works factory in New Jersey. This photograph is one of a set of five stereographs detailing the production of blown-glass bottles.

    • after 1895

    View of a worker blowing and turning a bottle in a mold at a Glass Works factory in New Jersey. This photograph is one of a set of five stereographs detailing the production of blown-glass bottles.

    • after 1895

    View of several workers using compressed air to blow glass into the shape of a mold at a Glass Works factory in New Jersey. This photograph is one of a set of five stereographs detailing the production of blown-glass…

    • after 1895

    View of a worker removing a flattened sheet of glass from a lehr, a temperature-controlled kiln used to slowly cool hot glass, at an unidentified factory. This photograph is one of a set of seven stereographs detailing…

    • after 1895

    View of a worker blowing pipettes for laboratory use at an unidentified factory. This photograph is one of a set of three stereographs detailing the production of glass tubing and pipettes.

    • after 1895

    View of two workers shaping special kinds of glass tubing at an unidentified factory. This photograph is one of a set of three stereographs detailing the production of glass tubing and pipettes.

    • after 1895

    View of two workers drawing out glass tubing to make chemical apparatus at an unidentified factory. This photograph is one of a set of three stereographs detailing the production of glass tubing and pipettes.