En tibi lector Robertvm Valtvrivm, ad illvstrem heroa Sigismvndum Pandulphum Malatestam Ariminensium regem, De re militari libris XII : multò emaculatius, ac picturis, quae plurimae in eo sunt, elegantioribus expressum, quam cum Veronae inter initia artis chalcographicae anno M.cccclxxxiii. inuulgaretur (1532)
263 ROBERTI VALTVRII Tetrasautem Chalcedonius de materia primum bafim fubiectis rotis fecit, fupráque compegit, & in his fufpendit arietem;coritíque bubulis texit vt tutio res effent qui in ea machinatione ad pulfandum murum effent collocati:id au- tem quod corios habuerat , "Teftudinem arietariam… … Eft aries quoque,belli iud. lib.iii.auctore lofepho,immenfa materia malo na uis affimilis, cuius fummum graui ferro folidatum,eft in arietis effigiem fabri- catum, vnde etiam nomen accepit . Dependet autem funibus medius ex trabe alia,velut ex trutina palis vtrinque fultus bene fun datis :…
Military art and science -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from M. Vitrvvii viri svae professionis pertissimi De architectvra libri decem, ad Avgvstum Cæsarem accuratiss. conscripsit & nvnc primvm in Germania qva potuit diligentia excusi, atq[ue] hinc inde schematibus non iniucundis exornati (1543)](https://img.insideoutlibrary.com/img/200/ia-mvitrvviivirisva00vitr-311-104.webp)
![An illustration from [Biblia Germanica]](https://img.insideoutlibrary.com/img/200/ia-bibliagermanica00quen-47-0.webp)
