Talk:Plane table

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[edit] History ?

According to the article, currently:

The first known instrument for directly producing a drawing of a site was developed by Johann Richter, also known as Johannes Praetorius[1], a Nuremberg mathematician, in 1610.[2] This circular table, called a tabula praetoriana, mensula praetoriana or Pretorian table, used a simple alidade and allowed a piece of paper to be slipped under the alidade for drawing.

However, according to this page [1], both the idea and the name go back at least 50 years earlier than this. Jheald (talk) 15:53, 30 April 2008 (UTC)