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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGYResults: 181 – 200 of 243 total
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Artifact Images
- The Sorting And Counting Mechanism from The Hollerith Method Of Statistical Tabulation
- The Card Removed From The Press And Deposited In The Sorting-Box from The Hollerith Method Of Statistical Tabulation
- One Of The Counters from The Hollerith Method Of Statistical Tabulation
- Key-Board For Designating Individual Records from The Hollerith Method Of Statistical Tabulation
- Gang-Punch For Punching The Enumerator's Combination from The Hollerith Method Of Statistical Tabulation
- Design For S.A. Potter Invalid Chair, Sheet 1 from Patent For Invalid-Chair
- Design For S.A. Potter Invalid Chair, Sheet 2 from Patent For Invalid-Chair
- Design For O.L. Smith-Fraser Invalid Chair, Sheet 1 from Patent For Invalid-Chair
- Design For O.L. Smith-Fraser Invalid Chair, Sheet 2 from Patent For Invalid-Chair
- Alexander G. Bell Using The Telephone At The Chicago Exhibition
- Ophthalmia Neonatorum from Diseases Of The Eye
- The New Census Of The United States -- The Electrical Enumerating Mechanism
- Bell's Card, Lecture Of Telephony
- Fred Vaillancourt, Former Grand Trunk Brakeman
- Man In A Wheelchair With Large Wooden Wheels
- Goat Cart
- Hervey B. Wilbur from In Memoriam -- Hervey B. Wilbur, M.D.
- Death To Coughs Colds And Consumption -- Adamson's Balsam
- Dr. Isaac Thompson's Celebrated Eye Water Tade Card (Back) from Dr. Isaac Thompson's Celebrated Eye Water Trade Card
- Dr. Isaac Thompson's Celebrated Eye Water Trade Card (Front) from Dr. Isaac Thompson's Celebrated Eye Water Trade Card