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# Title: Leibniz-Handschriften zur Mathematik LH 35, 11, 1
# Folio 13v, page id 00068174:0026
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est opus. quod si Tabula sit hori donto
perpendicuaris, cum orthographia notius expri
menda est, utique hativimu etartum jlatus
objecti geometricus per planuam aliud etiam
homu guti perpendicueate debet exprimi
edsine his alia quoque utiliter circum fpicientur com
pendia. verbigratia, quia omne punctum in solido ex
Ati determinatis quamor imo si plaga data sit
per distantiam ub iis est determi
natum hinc videentum quomodo generali ranta ex data
tribus punctus 
ejus dr, on sumolorum deterinantiam loco in
abella detur in eadem locus puncti determinati.
semdata magnitudine alicujus rectae,  et angulo, quo
tandum est assuuue posse planum per rectam hanc trausiens
habelam secans, sed cum talia plana assum possint
modo deturi
infinita, utilique videri assumi planum transieus per
rectam, e oculum sed deinde si recta angulus sit det
el
apparens set dacus, seu si recta in definite
6
ducta
E
determi
ast Tabella rectae apsiarentia qua vide
nammus enit quomodo magniturie ab ea abscndi
inde a punctus dato. Deinde cliam
linearum curvarum, determinanda est projectio
possit optice
ex plangi in quo sunt in planum labultae
eb
ovisime cogrtandum,uam projectionem
inecc quae in
nullo sunt votano une plano
saciant in nostro plano.
sero superficie
rum projectione opas est tum prosectione linearum
terminantum, tum gradu ambrarum in medio
ua sua ratione convexum aut concavum
ibe gebeum aut cavum exprimi possunt
uunde patet notam perspectivam consstere in
proils Nouse seu repraesentatione
9
linearum et umbris seu trepraesentatione
s
novas .
eiperficierum.