= . .30 By the use of Albatvine andProcess-Black the difficulty hith-erto experienced of preserving thetrue values of the lights, In (.rawingsmade for Process reproduction, isentirely obviated. Testimonials have heen receivedfrom many of the leading ProcessEngravers, witncjsing to the valueof these…
![An illustration from Angeli Aretini De maleficiis tractatus : de inquirendis animaduertendisq[ue] criminibus, opus nedum vtile, sed necessarium omnibus, maxime ijs, qui ad prouincias regendas constituti sunt ; cui tractatus Alberti de Gandino, nec non Bonifacii de Vitellinis, vnà cum apostillis Augustini de Arimino, & Hieronymi Chuchalon, veluti apendices subiecimus ... cum eiusdem Angeli vita (1573)](https://img.insideoutlibrary.com/img/200/ia-angeliaretinidem00gamb-545-95.webp)
