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Finished ware entering tempering oven at glass factory
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Final rolling mill action forming finished steel rails
- After 1895
View of a worker using a rolling mill to produce steel rails at an unknown manufacturing plant. During the production of steel, mills are used to shape the steel into various forms, such as plates or rails. This…
- Publisher Underwood & Underwood
- Subject Iron industry and trade, Steel industry and trade, Manufacturing industries
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Electric machine drawing white hot billet from re-heating furnace
- 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…
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Drilling bolt holes in finished steel rails
- 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.
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Drillers at work with compressed air drill, salt mine, Kansas
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Manufacturing industries, Salt industry and trade, Salt mines and mining
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Drawing out glass tubing for chemical apparatus
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Drawing off molten iron from blast furnace to make "pigs"
- 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…
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Down the line of furnaces in open hearth mill, charging a furnace with molten iron
- 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,…
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Detail view of blast furnaces showing feed buckets ascending
- 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…
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Cutting a carboy from blow-pipe after leaving mould
- After 1895
View of two workers separating a carboy, a type of vessel used for the transportation and fermentation of liquids, from the blow-pipe at a Glass Works factory in New Jersey. This photograph is one of a set of six…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Cooling the "pigs" in the sand moulds
- 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…
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Checking off cylinder after being drawn full length
- After 1895
View of a worker checking off a cylinder of glass at an unidentified factory. This photograph is one of a set of seven stereographs detailing the production of glass sheets.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Capping off a cylinder into flattening lengths with electric capping stick
- After 1895
View of a worker using an electric capping stick to cap off and cut a cylinder of glass into a flattening length at an unidentified factory. This photograph is one of a set of seven stereographs detailing the production…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Blowing pipettes for laboratory use, in a glass factory
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Blowing and turning a bottle while in the mould
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Blowing a carboy and shaping its base by rolling
- After 1895
View of several workers blowing and shaping carboys, a type of vessel used for the transportation and fermentation of liquids, at a Glass Works factory in New Jersey. This photograph is one of a set of six stereographs…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Blowing a 12-gallon carboy into a clay mould
- After 1895
View of a worker using a clay mold to blow and shape a carboy, a type of vessel used for the transportation and fermentation of liquids, at a Glass Works factory in New Jersey. This photograph is one of a set of six…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Billet "blooms" for rails being further compressed and lengthened in rolling mill
- 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…
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Bessemer converter in action blowing iron into steel
- After 1895
View of a Bessemer converter blowing iron into steel at an unknown manufacturing plant. The Bessemer converter takes its name from the "Bessemer process," an inexpensive industrial method for the mass-production of…
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Apparatus for blowing coat of lime on moving pig moulds after use
- After 1895
View of an apparatus for applying a coat of lime onto molds filled with pig iron, an intermediate product of smelting iron ore produced from a blast furnace, at an unknown manufacturing plant. When processing iron ore…
- Publisher Underwood & Underwood
- Subject Iron industry and trade, Steel industry and trade, Manufacturing industries
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Adding molten glass to neck of carboy to make rim
- After 1895
View of a worker adding molten glass to the neck of a carboy, a type of vessel used for the transportation and fermentation of liquids, at a Glass Works factory in New Jersey. This photograph is one of a set of six…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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A reservoir after evaporation – turning up the salt – salt fields, Solinen, Russia
- 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…
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100-ton capacity ladle of liquid steel from open hearth furnace pouring into ladle
- After 1895
View of a 100-ton capacity ladle of liquid steel removed from an open hearth furnace at an unknown manufacturing plant. Open hearth furnaces are used to burn excess carbon and other impurities out of pig iron, an…