Vitruvius
,
L. Victrvvii Pollionis ad Cesarem Avgvstvm De architectvra
,
1490
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habens in medium timpanum amplum quod nonnulli rotam ap
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/>
pellant. </
s
>
<
s
xml:id
="
echoid-s7914
"
xml:space
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">græci autem amphreſen Alii Peritrochium uel Periterum
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lb
/>
uocant. </
s
>
<
s
xml:id
="
echoid-s7915
"
xml:space
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preserve
">In his autem machinis Troclee non eodem ſed alio modo
<
lb
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comparantur. </
s
>
<
s
xml:id
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echoid-s7916
"
xml:space
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">Habent enim & </
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>
<
s
xml:id
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echoid-s7917
"
xml:space
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">in imo & </
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>
<
s
xml:id
="
echoid-s7918
"
xml:space
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">in ſummo duplices ordi
<
lb
/>
nes orbiculorum ita funis ductarius traiicitur in inferioris troclee
<
lb
/>
foramen uti æqualia duo capita ſint, funis cum erit extenſus ibi
<
lb
/>
ſecundum inferiorem trocleam reſticula circundata & </
s
>
<
s
xml:id
="
echoid-s7919
"
xml:space
="
preserve
">contenta u/
<
unsure
/>
<
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/>
tre partes funis continent{ur} ut ne in ſiniſtram partem poſſint ꝓ
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lb
/>
dire. </
s
>
<
s
xml:id
="
echoid-s7920
"
xml:space
="
preserve
">Deinde capita funis reſeruntur in ſumma troclea ab exterior@
<
lb
/>
parte & </
s
>
<
s
xml:id
="
echoid-s7921
"
xml:space
="
preserve
">deiiciuntur circa orbiculos imos & </
s
>
<
s
xml:id
="
echoid-s7922
"
xml:space
="
preserve
">redeunt ad imum con
<
lb
/>
iiciuntur in finem troclee ad orbiculos exteriori parte & </
s
>
<
s
xml:id
="
echoid-s7923
"
xml:space
="
preserve
">reſerunt
<
lb
/>
dextra ſiniſtra ad caput circa orbiculos ſummos redeunt. </
s
>
<
s
xml:id
="
echoid-s7924
"
xml:space
="
preserve
">Traiecti
<
unsure
/>
<
lb
/>
autem ab exteriori parte referuntur dextra: </
s
>
<
s
xml:id
="
echoid-s7925
"
xml:space
="
preserve
">ſiniſtra timpanum in
<
lb
/>
axe. </
s
>
<
s
xml:id
="
echoid-s7926
"
xml:space
="
preserve
">i
<
unsure
/>
bi ut hereant colligantur. </
s
>
<
s
xml:id
="
echoid-s7927
"
xml:space
="
preserve
">Tum autem circa timpanum in
<
lb
/>
uolut
<
unsure
/>
us alter funis referturiad ergatam & </
s
>
<
s
xml:id
="
echoid-s7928
"
xml:space
="
preserve
">hiis circumactus timpa
<
lb
/>
num & </
s
>
<
s
xml:id
="
echoid-s7929
"
xml:space
="
preserve
">axem ſe inuoluendo pariter extendunt & </
s
>
<
s
xml:id
="
echoid-s7930
"
xml:space
="
preserve
">ita leuiter
<
unsure
/>
leuant,
<
lb
/>
onera ſine periculo. </
s
>
<
s
xml:id
="
echoid-s7931
"
xml:space
="
preserve
">Quod ſi maius timpanum collocatum aut in
<
lb
/>
medio aut in ima parte extrema fuerit ſine ergata calcances homi
<
lb
/>
nes expeditiores habere poterit operis effectus.</
s
>
<
s
xml:id
="
echoid-s7932
"
xml:space
="
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"/>
</
p
>
<
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>
<
s
xml:id
="
echoid-s7933
"
xml:space
="
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">Aliud machine tractoriegenus.</
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>
<
s
xml:id
="
echoid-s7934
"
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"/>
</
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<
s
xml:id
="
echoid-s7935
"
xml:space
="
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"># Stautem aliud genus machine ſatis artificioſum & </
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>
<
s
xml:id
="
echoid-s7936
"
xml:space
="
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">ad
<
lb
/>
E # u
<
unsure
/>
ſum celeritatis expeditum ſed in eo dare operam non
<
lb
/>
# poſſunt niſi periti@ Eſt enim tignum quod erigitur & </
s
>
<
s
xml:id
="
echoid-s7937
"
xml:space
="
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">di
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lb
/>
ſtenditur retinaculis quadriſ@riam. </
s
>
<
s
xml:id
="
echoid-s7938
"
xml:space
="
preserve
">Sub retinaculo celonia duo fi
<
lb
/>
guntur Troclea funis ſupra celonia religatur. </
s
>
<
s
xml:id
="
echoid-s7939
"
xml:space
="
preserve
">Sub Troclea Regu
<
lb
/>
la long@ circicer pedes duos Lata digitos ſex craſſa quatu or ſuppo
<
lb
/>
nitur. </
s
>
<
s
xml:id
="
echoid-s7940
"
xml:space
="
preserve
">Troclee ternos ordines orbiculorum in latitudinem haben
<
lb
/>
tes collocantur@ita tres ductarii funes in machina religantur: </
s
>
<
s
xml:id
="
echoid-s7941
"
xml:space
="
preserve
">De
<
lb
/>
inde. </
s
>
<
s
xml:id
="
echoid-s7942
"
xml:space
="
preserve
">eferuntur ad imam trocleam & </
s
>
<
s
xml:id
="
echoid-s7943
"
xml:space
="
preserve
">traiiciuntur ex interiore par
<
lb
/>
te per eius orbiculos ſummos. </
s
>
<
s
xml:id
="
echoid-s7944
"
xml:space
="
preserve
">Deinde referuntur ad. </
s
>
<
s
xml:id
="
echoid-s7945
"
xml:space
="
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">ſuperiorem
<
lb
/>
trocleam & </
s
>
<
s
xml:id
="
echoid-s7946
"
xml:space
="
preserve
">traiiciuntur ab exteriore parte in interioiem per orbi
<
lb
/>
culos imos. </
s
>
<
s
xml:id
="
echoid-s7947
"
xml:space
="
preserve
">Cum deſcenderint ad imum exteriori parte & </
s
>
<
s
xml:id
="
echoid-s7948
"
xml:space
="
preserve
">per ſecũ
<
lb
/>
dos orbiculos traducuntur in extremum & </
s
>
<
s
xml:id
="
echoid-s7949
"
xml:space
="
preserve
">referuntur ad ſummũ
<
lb
/>
ad orbiculos ſecundos traiecti redeunt ad imum & </
s
>
<
s
xml:id
="
echoid-s7950
"
xml:space
="
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">primo </
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>
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