Full text: Vitruvius: M. Vitrvvivs Per Iocvndvm Solito Castigatior Factvs Cvm Figvris Et Tabvla Vt Iam Legi Et Intelligi Possit

DECIMVS. & in ſummo duplices ordines orbiculo℞, ita funis ductarius traiicit̃ ĩ infe-
rioris trocleæ foramẽ, vti æq̈ [?] lia duo capita ſint, funis cũ erit extẽſus, ibi ſe-
cũdũ inferiorẽ trocleã reſticula circũdata & cõnexa, vtræ partes funis cõti
nẽtur, ut ne in dextrã, ne in ſiniſtrã partẽ poſſint ꝓdire, Deĩde capita fu-
nis referunt̃ in ſũma troclea ab exteriore parte, & deiiciũtur circa orbiculos
imos, & redeũt ad imũ, cõiiciũtur ĩfimæ trocleæ ad orbiculos ex interiore
parte, & referũtur dextra ac ſiniſtra ad caput ſummæ trocleæ circa orbicu-
los ſummos, Traiecti aũt ab exteriori parte referunt̃ dextra ac ſiniſtra tym-
panũ ĩ axe, ibi ut hereãt colligant̃, Tũ aũt circa tympanũ inuolut{us} alter fu
nis refert̃ ad ergatã, & is circũact{us} tympanũ & axẽ inuoluendo, funes qui in
axe religati ſunt pariter ſe extẽdũt, & ita leniter leuant onera ſine periculo.

a. ergata
b. tympanũ
c. fibulatio
a b c

Qd' ſi maius tympanũ collocatũ aut ĩ medio, aut ĩ vna ꝑte extrema, habue-
rit ſine ergata calcãtes hoĩes, expeditiores habere poterit operis effectus.

90. Aliud machinæ tractoriæ genus. # Caput. V.

Eſt aũt aliud gen{us} machinæ ſatis artificioſũ & ad vſũ celeritatis expeditũ, ſed
in eo dare operá nõ pñt niſi periti, Eſt enĩ tignũ, qd' erigit̃ & diſtinet̃ retina
culis q̈ [?] drifariã, ſub retinaculis chelonia duo figũtur, troclea funibus ſupra
chelonia religat̃, Sub troclea regula lõga circiter pedes duos, lata digitos

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