Vitruvius
,
M. Vitruvii ... de architectura libri decem, ad Augustum Caesarem accuratiß conscripti: & nunc primum in Germania qua potuit diligentia excusi, atq[ue] hinc inde schematibus non iniucundis exornati
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M. VITRVVII
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CAP. XVI.</
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<
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b{us} componantur, dixi. </
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<
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differentes, uni{us} effect{us} cauſa comparatæ. </
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<
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xml:space
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">Aliæ enim uectib{us} & </
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lis, nonnullæ polyſpaſtis, aliæ ergatis, quædam etiam tympanorum tor-
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quentur rationib{us}. </
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<
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">Sed tamẽ nulla baliſta perficitur, niſi ad propoſitam
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magnitudinem ponderis ſaxi, quod id organum mittere debet. </
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<
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">Igitur de
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ratione earum non est omnib{us} expeditum, niſi qui arithmetic is rationi-
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b{us} numeros & </
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<
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">multiplicationes habent not{as}. </
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<
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foramina, per quorum ſpatia contenduntur, capillo maxime muliebri, uel
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neruo, funes, qui magnitudine ponderis lapidis, quem debet ea baliſta
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mittere, ex ratione grauitatis proportione ſumuntur, quemadmodum ca
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tapultis de longitudinib{us} ſagittarum. </
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<
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<
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">ut etiã qui geometriæ arith-
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meticæq; </
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<
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">rationes non nouerint, habeant expeditum, ne in periculo belli-
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co cogitationib{us} detineantur: </
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">quæ ipſe faciendo certa cognoui, quæq́
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exparte accepi à præceptorib{us} finita, exponam: </
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xml:space
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">& </
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<
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corum penſiones ad modulos habeant rationem, ad eam ut etiam noſtris
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ponderib{us} reſpondeant, tradam explicata.</
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">DE PROPORTIONE LAPIDVM MITTEN-
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dorum ad baliſtæ foramen. CAP. XVII.</
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<
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eius capitulo digitorum. </
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<
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<
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<
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<
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<
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gitorũ. </
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<
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</
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<
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digitioctaua parte *** octuaginta pondo, digitorũ. </
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põdo pedis. </
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centũ & </
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<
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ii. </
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<
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<
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ccl pondo. </
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batur ſcutula, quæ græcè ϖερίτρη@ς appellatur, cui{us} longitudo forami
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num. </
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ſcriptæ, & </
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<
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obliquam deformationem habeat longitudinis ſextam partem, </
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