'-'•■Η, 
VSVS IN INSTRVMENTIS 
vfualibus. 
P R I Μ V M in Officinis Ferrarijs in bacilla rotunda, vel quadrata, vel etiam in ta- 
bulas ferrum reducitur , ex quibus poftea omnis generis opera , & inftrumenta 
fabricantur. Netur quoq; & tenuatur in fila , quibus Opifices in varijs vtuntur. 
CVLTER LAPI DE V S INDICVS, 
