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IMG15465
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Item Code: 5676
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Dielectric measuring instrument used in the Tube Suction Test.
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IMG23709
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Item Code: 14159
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Lake Street "L" in Chicago. Shows elevated steam engine and railroad car.
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IMG16438
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Item Code: 6626
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Three pile trestle bridge (under construction). Built by the Missouri Pacific R.R. near Corning, Arkansas. (Completed views dated 9/15/1935.)
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