Library: Search Results
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Artifact Images
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One Of The Counters from The Hollerith Method Of Statistical Tabulation
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Key-Board For Designating Individual Records from The Hollerith Method Of Statistical Tabulation
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Gang-Punch For Punching The Enumerator's Combination from The Hollerith Method Of Statistical Tabulation
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Alexander Melville Bell Visible Speech
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Alexander Melville Bell Visible Speech
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Chart For Alexander Melville Bell's Visible Speech
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Deaf Education Terminology
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Man In A Wheelchair With Steel Wheels
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World's Fair Exhibition Of Hutchinson Acoustic Company
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Man In Crank Wheelchair