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<Bull. Natn. Sci. Mus., Tokyo>Short History and Calculation of the Wilbur Machine

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  • 九元連立方程式求解機の来歴と計算方法について
  • 9ゲン レンリツ ホウテイシキキュウカイキ ノ ライレキ ト ケイサン ホウホウ ニ ツイテ

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This item is a calculator made by Dr. Tathujiro Sasaki, Mr. Ryo Shiga and others for working out nine simultaneous linear algebraic equations. The original machine was designed and made by Dr. John B. Wilbur in 1936. Some machines of this type were made in the world. However all of them seemed to disappear except this Japanese one. This report shows some details of this machine, which was researched for an exhibition"The Heroes of Information Age"at the National Science Museum in between March 6 and June 5,2001.


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