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3.23 Reconstructions of building and hydraulic machines

erstellt von Kulawik Veröffentlicht 05.06.2019 20:47, zuletzt verändert: 05.06.2019 20:47

But Tolomei’s program is not yet finished:

De le tre parti, ove s’affatica l’Architettura, una e la parte de le Machine, la quale è molto utile, e molto malagevole; a la qual voltando lo studio, si tentarà se si puo ritrovar la vera forma de le machine antiche, prima de l’acque, di poi de tormenti, e ultimamente del muovere i pesi, ponendo distintamente le figure loro, e l’ordine in che modo elle si fanno, con la ragione di ciascuna sua proporzione dichiarata. Nel qual libbro non sol si stenderanno le machine poste da Vitruvio, ma tutte quelle, che da altri autori Grechi, e Latini si potranno imparare [Tolomei 1547, 84r].

Of the three parts, of which Architecture deals, one is the part of the machines, which is very useful but also troublesome. To this part the study will turn and try if the real form of the ancient machines could be retrieved, first of those for water and then those turning and finally those to move heavy pieces, showing distinctively their images and order [construction] and how they were made, with explanation of every reason for their proportion. In this book not only the machines described by Vitruvius will be explained, but also those described by other Greek or Latin authors as far as they can be understood.

No volume of such drawings has come to light yet, but in 1617 Jacopo Strada’s grandson Ottavio published a volume on water mills — that is, «machine de l’acque» — containing fifty illustrations = [Strada 1617], which he republished with fifty additional pictures in 1623 = [Strada 1623]. Ottavio Strada claimes that these are based on drawings by his grandfather Jacopo, who wanted to publish them himself but died before he could do so, in 1588. Ottavio’s publication clearly addresses contemporary patrons — such as the dedicatee, the council of Nuremberg — engineers, and architects, and it therefore does not explicitly mention machines that may be derived from ancient descriptions. Nonetheless, several surviving volumes with machine drawings by Jacopo Strada himself still need to be investigated to determine if their content corresponds to Tolomei’s description of this book.