Universitätsbibliothek HeidelbergUniversitätsbibliothek Heidelberg
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POSITION,
N°I.

^.~E-ye- k>

^^

n.

ji

1

Note. The dotted line is the Horizontal.

The spot with the word (Eyt) is the Point of Sight.

An intersecting line in this point gives the Perpendicular.

The figures are a reference from the Description to the Representation;
and mark also the number of the Situation; or, where there are
two figures, the Situation and the Variation, which are to be
observed here.
 
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