Totally useful and neatly-crafted set of Napiers Bones, the primary calculator designed in 1617 via John Napier
Comprises 2 complete units of rods for higher versatility and complicated quantity manipulation
Designed via John Napier in 1617 – This has been serving to other folks be told math for hundreds of years. Comprises 2 complete units of rods for higher versatility and complicated quantity manipulation
Comes With Duvet – Makes for simple trip and garage – Measures approximately 7.five” x 7.five” within the body
Absolute best device for educators and a should-have for math geeks to higher take into account their roots
Designed and made in USA via Ingenious Crafthouse, a small circle of relatives trade in Hudson, FL. Thanks on your enhance.
