John Brown (d)

Annotations

• N Jesse on Sat 25 Mar 2006, 05:39am

  A circular slide rule, made by John Brown

  http://ingenious.org.uk/See/Scienceandtechnology/Mathematics/?target=SeeMedium&ObjectID=%7BE0ADBFD8-EDA3-88D1-9E91-2F912122D1E6%7D&s=S1&viewby=images&
  

• N Rex Gordon on Wed 27 Dec 2006, 02:10pm

  Per L&M …

  John Brown(e) of the Minories, maker of mathematical instruments.

References in the diary

1663

Mar: 24, 25
Aug: 7, 8, 15
Dec: 26

1664

Jan: 13, 16
Aug: 10