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  1. 1 Long Life Vehicle Tests by SmithsonianNPM
  2. 2 The Art of the Stamp, Maynard Sundman Lecture 2012 by SmithsonianNPM
  3. 3 Backing and Wrapping by SmithsonianNPM
  4. 4 Owney the Dog's Story, as Told by his Typist by SmithsonianNPM
  5. 5 The EdLab Effect: "Be the Change" by SmithsonianNPM
  6. 6 "Protect Yourself" - US Postal Inspection Servi... by SmithsonianNPM
  7. 7 "All Systems at Work" (with captions) by SmithsonianNPM
  8. 8 Frank Ward, Ground Crew Member, "Hindenburg," M... by SmithsonianNPM
  9. ▶ "Multi-Position Letter Sorting Machine" (MPLSM) by SmithsonianNPM
  10. 10 "Carrier Sequence Bar Code Sorter" (CSBCS) by SmithsonianNPM
  11. 11 Missing You - Letters from Wartime by SmithsonianNPM
  12. 12 "All Systems at Work" by SmithsonianNPM
  13. 13 Throwing Mail Into Bags by SmithsonianNPM
  14. 14 River of Mail by SmithsonianNPM
  15. 15 "Put ZIP in Your Postal System" ZIP Code Video by SmithsonianNPM
  16. 16 Johnny Puleo ZIP Code Video by SmithsonianNPM
  17. 17 "Handling" ZIP Code Video by SmithsonianNPM
  18. 18 "Help!" ZIP Code Video by SmithsonianNPM
  19. 19 "Shop Early" ZIP Code Video by SmithsonianNPM
  20. 20 "Swingin' Six" ZIP Code Video by SmithsonianNPM
  21. 21 Interview with Postal Clerk Corporal Ben Magiera by SmithsonianNPM
  22. 22 Interview with Specialist Sergio Tobias, Kirkuk... by SmithsonianNPM
  23. 23 Orphans Preferred: The Twisted Truth and Lastin... by SmithsonianNPM
  24. 24 Remembering September 11, 2001: Letter Carrier ... by SmithsonianNPM
  25. 25 Great Train Robbery (Parts 1, 2 and 3) by SmithsonianNPM
  26. 26 Curator Talk Experimental Airmail by SmithsonianNPM
  27. 27 The Philately of New Zealand - Innovation Born ... by SmithsonianNPM
  28. 28 There's Always Work at the Post Office by SmithsonianNPM
  29. 29 The King's Best Highway: The Lost History of th... by SmithsonianNPM
  30. 30 Loading Mail Car by SmithsonianNPM
  31. 31 Fast Mail Train by SmithsonianNPM
  32. 32 The First Canada-US Joint Issue: The 1959 St. L... by SmithsonianNPM
  33. 33 Collecting History: 125 Years of the National P... by SmithsonianNPM
  34. 34 The First Canada-US Joint Issue, Charles Verge,... by SmithsonianNPM
  35. 35 Celebrating Hispanic Heritage: People, Places a... by SmithsonianNPM
  36. 36 Origins of the Sidewalk Mailbox by SmithsonianNPM
  37. 37 Stagecoaches and the Beginnings of Contract Mai... by SmithsonianNPM
  38. 38 U.S. and International Stamps Gallery by SmithsonianNPM
  39. 39 Early Postal Technology by SmithsonianNPM
  40. 40 America's First Letter Carriers by SmithsonianNPM
  41. 41 Story of a Pony Express Rider by SmithsonianNPM
  42. 42 Concord-style Mail Coach by SmithsonianNPM
  43. 43 Airmail: The Quest for Speed by SmithsonianNPM
  44. 44 Airmail Beacon by SmithsonianNPM
  45. 45 Mud Wagon by SmithsonianNPM
  46. 46 Coach Horn by SmithsonianNPM
  47. 47 Stinson Reliant and the Mail Pick-Up Service by SmithsonianNPM
  48. 48 USS Oklahoma Handstamp by SmithsonianNPM
  49. 49 Hawes Patent Machine by SmithsonianNPM
  50. 50 Philatelic Galleries by SmithsonianNPM
  51. 51 The de Havilland DH-4 Airplane by SmithsonianNPM
  52. 52 The "Central America" Steamer by SmithsonianNPM
  53. 53 The Wiseman-Cooke Airplane by SmithsonianNPM
  54. 54 Pneumatic Mail Canister by SmithsonianNPM
  55. 55 Door Knocker by SmithsonianNPM
  56. 56 A-B-C's of Stamp Collecting by Janet Klug by SmithsonianNPM
  57. 57 Growing Up Parker: My Life in Pens by Geoffrey ... by SmithsonianNPM
  58. 58 Rediscovering Frances Perkins: The Woman Behind... by SmithsonianNPM
  59. 59 The Pony Express Diamond Jubilee: Revisiting th... by SmithsonianNPM
  60. 60 The Pony Express Keeps Delivering by SmithsonianNPM
  61. 61 Former Railway Post Office clerk interview: Hea... by SmithsonianNPM
  62. 62 Former Railway Post Office clerk interview: Pat... by SmithsonianNPM
  63. 63 Former Railway Post Office clerk interview: Rob... by SmithsonianNPM
  64. 64 Former Railway Post Office clerk interview: Don... by SmithsonianNPM
  65. 65 Former Railway Post Office clerk interview: Gre... by SmithsonianNPM
  66. 66 Former Railway Post Office clerk interview: Jos... by SmithsonianNPM
  67. 67 Hollywoods Historical Mishaps: The Pony Express by SmithsonianNPM
  68. 68 40th Anniversary of the 1970 Postal Strike by SmithsonianNPM
  69. 69 Penny Post Higher Quality by SmithsonianNPM
  70. 70 Only a Penny: The Victorian Revolution in Lette... by SmithsonianNPM
  71. 71 Out of the Vault: The Certified Plate Proof Col... by SmithsonianNPM
  72. 72 Preview: Airmail Pick-Up Past & Present by SmithsonianNPM
  73. 73 Airmail Pick-Up Past & Present by SmithsonianNPM
  74. 74 Object Lessons from Victorian Postal Culture by SmithsonianNPM
  75. 75 Holding Pieces of History: Stamps & Postal Obje... by SmithsonianNPM
  76. 76 Encapsulating a Broadside by SmithsonianNPM
  77. 77 Mail by Missile by SmithsonianNPM
  78. 78 Lincoln, Slavery, and the Civil War, by Eliot L... by SmithsonianNPM
  79. 79 Conservation of a Broadside - Part Two: Flatten... by SmithsonianNPM
  80. 80 Conservation of a Broadside - Part One: Bathing... by SmithsonianNPM
  81. 81 National Postal Museum Finds Its Home by SmithsonianNPM
  82. 82 Binding the Nation Exhibit Tour by SmithsonianNPM
  83. 83 Customers and Communities Exhibit Tour by SmithsonianNPM
  84. 84 Video Tour of the National Postal Museum Philat... by SmithsonianNPM
  85. 85 Smithsonian National Postal Museum Tour by SmithsonianNPM
  86. 86 Green Ways to Move the Mail: "Learn from the Pa... by SmithsonianNPM
 

"Multi-Position Letter Sorting Machine" (MPLSM)

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Uploaded on Nov 10, 2011

A short silent film showing the Multi-Position Letter Sorting Machine (MPLSM).
MPLSM operators used 20-key keyboards to type in two or three numbers from the ZIP code, so the machine could then sort the mail into one of 277 or more bins representing sections of the country. These operators sorted mail at rates of 60 letters per minute.
Visit the online exhibit: http://npm.si.edu/systemsatwork

  • Category

    Education

  • License

    Standard YouTube License

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Uploader Comments (SmithsonianNPM)

  • SmithsonianNPM

    SmithsonianNPM 2 months ago

    Thanks for pointing that out, this is a silent film.

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All Comments (3)

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  • beppo2814

    beppo2814 2 months ago

    All of the employees seem to be Filipino.

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  • doobybrain

    doobybrain 2 months ago

    Is there supposed to be audio?

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