Search Results
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Stripping moulds from ingots in Bessemer mill
- After 1895
View of pig iron ingots being stripped from their molds in a Bessemer mill at an unknown manufacturing plant. The Bessemer mill takes its name from the "Bessemer process," an inexpensive industrial method for the…
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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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Pig iron mixer which acts as collector, and distributer pouring into ladle
- After 1895
View of a mixer used to collect and distribute pig iron, an intermediate product of smelting iron ore produced from a blast furnace, at an unknown manufacturing plant. This photograph is one of a set of fourteen…
- Publisher Underwood & Underwood
- Subject Iron industry and trade, Steel industry and trade, Manufacturing industries
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Making a bottom for a Bessemer converter, showing gas blast tubes
- 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…
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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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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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Making the sand moulds for pig iron
- 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…
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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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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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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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Shaping a bottle neck, while it is rolled by a helper
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Preparing a bottle neck for its finish
- 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.
- 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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Using compressed air to blow glass into shape of a mould
- 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…
- 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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Taking flattened sheet of glass from lehr in the furnace
- 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…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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Shaping special kinds of glass tubing in a great factory
- 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.
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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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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Shover boy shoving cylinder into flattening oven
- After 1895
View of a worker transferring a cylinder of glass into a flattening oven 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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Splitting cylinders on splitting bucks ready to flatten
- After 1895
View of a worker splitting cylinders of glass ready to be flattened into glass sheets 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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Taking down cylinder and placing on capping off-horse
- After 1895
View of two workers taking down a cylinder of glass and placing it on a capping-off horse, an apparatus used to transfer cylindrical glass sections, at an unidentified factory. This photograph is one of a set of seven…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture
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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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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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Finishing neck or "corkage" of a 12-gallon carboy
- After 1895
View of two workers finishing the neck or "corkage" of a 12-gallon glass 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…
- Publisher Underwood & Underwood
- Subject Employees, Glass blowing and working, Manufacturing industries, Glass manufacture