Loading/Icing Refrigerated Cars

Primary Source

Loading/Icing Refrigerated Cars

Refrigerated Rail Car Inquiry Unit

A photo of 3 men loading strawberries into a refrigerated car and a photo of 2 men "icing" a refrigerated car, both courtesy of the Library of Congress. Download PDF Visit Source 1 Visit Sour…

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Refrigerated Rail Car

Inquiry Unit

Refrigerated Rail Car

Some technology is so woven into our lives that we barely notice it. We go about our daily routines without giving it a thought, yet, were it not for these advancements, our routines would be very dif…

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Testing Insulation for Refrigerated Rail Cars

Hands-on Activity

Testing Insulation for Refrigerated Rail Cars

Refrigerated Rail Car Inquiry Unit

Refrigerated Rail Car Inquiry Unit Download PDF Testing Insulation for Refrigerated Rail Cars Prompt for the students: Joel Tiffany has just hired your team to engineer his first Tiffany Refri…

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William Davis Patent

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William Davis Patent

Refrigerated Rail Car Inquiry Unit

US Patent detailing William Davis' design for a Refrigerated Rail Car. Visit Source Download PDF…

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J.B. Sutherland’s Patent

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J.B. Sutherland’s Patent

Refrigerated Rail Car Inquiry Unit

US Patent detailing J.B. Sutherland's design for a Refrigerated Rail Car. Visit Source Download PDF…

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Ice Houses

Primary Source

Ice Houses

Refrigerated Rail Car Inquiry Unit

A paper written by L.C. Corrbett, Horticulturist, Bureau of Plant Industry, U.S.Department of Agriculture, published as Farmers’ Bulletin 475, issue date 13 Dec. 1911. Visit Source Download PD…

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Letter from Thomas Moore to Thomas Jefferson

Primary Source

Letter from Thomas Moore to Thomas Jefferson

Refrigerated Rail Car Inquiry Unit

Correspondence from Thomas Moore to President Thomas Jefferson inviting him to examine the condition of butter that was stored in Moore's "refrigiratory".   Visit Source Download PDF…

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A Pre-History of Radio (Part One)

Multimedia

A Pre-History of Radio (Part One)

Radio Inquiry Unit

Join historian Alex Magoun on a journey through the history of radio technology from James Clark Maxwell’s theory of electromagnetism to Guglielmo Marconi's use of that theory in long-distance radio…

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A Pre-History of Radio (Part Two)

Multimedia

A Pre-History of Radio (Part Two)

Radio Inquiry Unit

Continue on the historical journey of the radio industry with historian Alex Magoun as he goes back in time and shares how engineers and scientists improved wireless telegraphy from Morse code to the …

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