The Steel Process Lantern Slide Collection contains 80 lantern slides organized into three series documenting steel mills, the steelmaking process, and railroad activities during the early 20th Century. The Colonial Steel Company is represented in 24 slides with 53 slides depicting the steel making process from various mills in Pennsylvania and New York. The remaining three slides are topical and depict railroads and a gardening program at a Philadelphia school.
Series I. Colonial Steel Company, c.1917-1927
Series II. Steel Processes, Products, and Equipment
Series III. Topical
No restrictions.
No copyright restrictions.
Gift of Kenneth Kobus in 2014.
This collection was processed by Erin Scrimger in 2015.
Steel Process Lantern Slide Collection, ca. 1907-1927, AIS.2014.01, Archives Service Center, University of Pittsburgh
Series I. Colonial Steel Company, ca. 1917-1927
24.0 items
Scope and Content Notes
The images in this series depict Colonial Steel Company from ca. 1917-1927. This series also includes a 1927 date book. The company was organized in 1901 and specialized in making hardened, tempered steel used to make tools. The company was absorbed by Vanadium Alloys Steel Company in 1928. The mill was located in Monaca, Pa., in Beaver County.
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| Box | Slide | | Colonial Steel Plant | 2 | 42 |
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| Slide | | Tapping Slag in Puddle Furnace | 44 |
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| Slide | | Drawing Iron from Puddling Furnace | 45 |
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| Slide | | Puddled Ball of Iron Entering Squeezer in a Puddling Mill | 46 |
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| Slide | | Rolling Muck Bar | 47 |
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| Slide | | Rolling Bars 16" Mill | 48 |
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| Slide | | Rolling Bars 9" Mill | 49 |
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| Slide | | Rolling Bar 12" Mill | 50 |
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| Slide | | Shearing Muck Bar | 51 |
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| Slide | | Packing Crucibles | 52 |
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| Slide | | Drawing Crucibles from Furnace | 53 |
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| Slide | | Drawing Crucibles from Furnace 2 | 54 |
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| Slide | | Teaming Ingots from Crucible | 55 |
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| Slide | | Casting Crucible Ingots with Ladle | 56 |
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| Slide | | Stripping Ingots | 57 |
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| Slide | | Cogging Ingots on Big Hammer | 58 |
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| Slide | | Finishing Large Squares on Hammer | 59 |
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| Slide | | Reducing Billets | 60 |
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| Slide | | Forging on Hammer | 61 |
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| Slide | | Hammering on Tilt Hammer | 62 |
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| Slide | | Shipping from Warehouse | 63 |
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| Slide | | Inspection for Seams | 64 |
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| Slide | | Inspection Topping | 65 |
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| Item | | Colonial Steel Datebook, 1927 | 1 |
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Series II. Steel Processes, Products, and Equipment, ca. 1907-1927
53.0 items
Scope and Content Notes
This series contains images that show the different processes for making steel. These pictures were taken in Pennsylvania and New York. The dates for this series are unknown.
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| Box | Slide | | Charging Side Open Hearth Furnaces Charging Hot Metal | 1 | 3 |
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| Slide | | Carrie Blast Furnaces | 4 |
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| Slide | | Tapping Side Open Hearth Furnaces- Ladles in Position | 5 |
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| Slide | | 2BB and 122 Duquesne Blast Furnace | 6 |
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| Slide | | Duquesne Blast Furnace | 7 |
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| Slide | | Duquesne Works (?) | 8 |
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| Slide | | Duquesne Works (?) | 9 |
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| Slide | | Installation of Three Mesa Steam blowing Engines at the Plant of the McKinney Steel Company | 10 |
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| Slide | | Brown Hoist Unloaders | 11 |
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| Slide | | Bunkers and Transporter under Construction | 12 |
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| Slide | | Hewlett Machines | 14 |
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| Slide | | Plant of the Blast furnace | 15 |
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| Slide | | Filling Shell with Nitro-Glycerin, for Shooting Oil Well | 16 |
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| Slide | | Shooting Oil Well | 17 |
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| Slide | | Rabbler at Work at Puddling Furnace Rolling Mill, 1911 | 18 |
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| Slide | | Hydraulic Shears Cutting 5 Inch Steel Slabs, 1907 | 19 |
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| Slide | | Pouring Molten Steel into Ladle | 20 |
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| Slide | | Tapping an Open-Hearth Furnace | 21 |
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| Slide | | Coal Barges on the Monongahela | 22 |
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| Slide | | Plant of the Blast Furnace | 23 |
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| Slide | | Confluence of the Allegheny and Monongahela Rivers | 24 |
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| Slide | | Bessemer Converter in Action Blowing Iron into Steel | 25 |
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| Slide | | One Ton Herault Furnace, Front View before Tapping Heat | 26 |
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| Slide | | Steel Mills at Night | 27 |
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| Slide | | Drawing off Molten Iron from Blast Furnace to make "Pigs" | 28 |
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| Slide | | Drawing off Slag from Blast Furnace, 1910 | 29 |
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| Slide | | Molds being filled with Molten Iron | 30 |
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| Slide | | Filling Molds with Steel | 33 |
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| Slide | | Mountain Iron Mine | 34 |
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| Slide | | The Huge Hot Blast Furnaces | 36 |
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| Slide | | Coining Presses Government Mint | 37 |
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| Slide | | Pouring Pig Iron into a 1,300 Ton Mixer | 38 |
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| Slide | | Jones and Laughlin Steel Co. | 40 |
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| Slide | | U.S Steel Duquesne Works 22" Bar Mill | 67 |
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| Slide | | Blast Furnace/ Stove Diagram | 68 |
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| Slide | | Steel Manufacturing | 70 |
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| Slide | | Largest Plate Mill in the - Lukens Steel Co. | 72 |
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| Slide | | Nickel Shot and Ladle Diagram | 76 |
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| Slide | | Nickel Cast Iron in Large Rack Gear for Car Wheel Lathes | 78 |
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| Slide | | Driven Machine Equipment | 79 |
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Series III. Topical
3.0 items
Scope and Content Notes
The slides in this series primarily feature railroad scenes, including Pennsylvania Station in Pittsburgh, with the exception of one view of children gardening at a Philadelphia School. The dates for this series are unknown.
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| Box | Slide | | Ore Reclaiming Equipment | 1 | 1 |
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| Slide | | The Pennsylvania Station | 2 |
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| Slide | | School Gardens as a Practical Educational Method | 80 |
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