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# Title: Leibniz-Handschriften zur Mathematik LH 35, 9, 17
# Folio 4r, page id 00068142:0007
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Mechaniri compendus schedarda
cochlea est cylinder in spiras solidas
et exuberaates elaboratus is
inditur alteri cylindio concavo
cujusspirae concavae prioribus quadrantes
interdum concuvus interdm cylinder stabitis eo
calu codilea cum motu circulari habet et rectum
aliquando cochlea existense immobili cycinder
concavus solus per codi team ascendit aut descendit
Usus varii cochearum simplicium du primis
adptringendum, ut
u
spirae in foramine B ut
nicodilea A. quae fixa
in tigno C, mobilis in siquo
B ergo tigna sibi accedunt
Cum trodite cochler
Bdmovetur liguora
tigna L et M
sibi accedant, et
pressio fiat in AF
in et quod inter haec
duopositum est
ha duae cochlea
eidem praeto
accommodatae
simul aut suc-
lessive moveri
possunt, et una
respectu alterius habet rationem Hypomo–
Cleri H refr et forcipes quibus utuntur
fabriferrarii; et pelices typographorum
 aliaque id genus
 coillen qposita cuncylinder con-
vexu non inseritur
 in concquum, sed
aliis poleuliis miscetur
V(( ex g. rotae denticulos
 movel aelibet circum volu-
tis cochlea unicur solum dentia
culum promovet Honc idem
efficit quod multae rotae dentatae. ilem etsi sine
resinaculo reliaquatur potentia, tamen vix fieri
potest, ut pondus recidat. Quoplures helices et obliquio
ies longoinque manubriaue eo pondus facilius movetur.
Iu genere in cochlea qualibet, qoo pluces
helices et obliquiores eo pondus facilius movetur
et quo plares in cylindro concavo seu matrice relices
o minu cochilea patietur. Nam pondus inplures
Huc referri possit Machina usilis ad non
nelices distribuitur.
ad movendum, sed ad sastentandum ingeas pondus;
circa su lindium excavetur spira,
si fupem
et pieacircunducatur funis, contra
vel leviter attingas aut premas
culindium sustinebitur pondus etiam maximum
Haestriae utilissimae, ut ex altissimis binibus
quis descendat sine periculo.
Ad codhleas refer cereopas, quae facilius.
subeunt dum acumen in coihteam efformatum
est, ut depretiendi in majori  terebra, ad fon
tium canales terebrandos, quia sua sponte quasi
cochlea lignum subit, ut impulsu minus sit opus.