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How To Use A Counting Board Abacus

5.0 out of 5 stars 1 customer review

Editorial Reviews

The first of two DVDs that together are: Ancient Computers, Part II: Video Users' Manual.

These are the companion videos to the book: Ancient Computers, Part I: Rediscovery.

When sold by, this product will be manufactured on demand using DVD-R recordable media.'s standard return policy will apply.

Product details

  • Producers: Stephen Kent Stephenson
  • Format: NTSC
  • Language: English
  • Region: All Regions
  • Aspect Ratio: 1.33:1
  • Number of discs: 1
  • DVD Release Date: July 9, 2013
  • Run Time: 105 minutes
  • Average Customer Review: 5.0 out of 5 stars 1 customer review
  • Amazon Best Sellers Rank: #540,409 in Movies & TV (See Top 100 in Movies & TV)
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November 14, 2016
Format: Paperback
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