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# Title: Leibniz-Handschriften zur Mathematik LH 35, 1, 6
# Folio 5v, page id 00067965:0010
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uondum Cum ergo omnia
Geometrica eo redit, tum primum ut
tum ut ut inveniamus vabores rectarum
siguras quasdam p puncta quaesita
per motum atque instrumenta tum
ut inveniamus magnitudines quaesitas
rectarum quaesitarum valores; et
quidem si semper valores inveniamus in
numeris nullo alio opus habebimus
instrumento quam regula divisa sive scala
scala et circino; quoniam tamen interdum
altis accurate divisa; quia tamen saepe
magni laboris est omnia revocare ad
numeros; hinc utiliter excogitantur instrumenta
quorum motu puncta quaedam aut lineae
aliaeve figurae designantur. praeterea
in numeris per motum figurae quaesitae
uno  tractu describi possunt,  adeoque
contii
exactius si mistrumenta bene elaborata
cum rem numeris ex seala adhibitis
puncta tantum subsultim inveniantur. Habet
praeterea consideratio Constructionum
hujusmodi per motum elegantes saepe
atque utiles contemplationes. Quare primum numeros et
calculum separatim trademus, deinde
ostendemus quomodo motum figuras
et motus quibus describuntur, denique
modum et ca figuras revocandi ad
calculum, et contra calculum construendi
per figuras. Et Cumque in his omnis
scientia Mathematica consistat, supererit
tantum, ut postea usum inventarum
inventorum in scienhis Arithmeticae
ac Geometriae, subordinatis explicemus;
modumque tradamus quomodo quaestiones
mechanieae et similes  cum materia
concretae, inde abstrahi, et ad problemata
purae Geometriae revocari possint