biblio toscana

An elementary treatise on descriptive geometry with a theory of shadows and of perspective

to which is added, A description of the principles and practice of isometrical projection ...

A treatise on mathematical instruments

including most of the instruments emplyed in drawing, for assisting the vision, in surveying and levelling, in practical astronomy, and for measuring the angles of crystals in which their construction, and the methods of testing, adjusting and using them are concisely explained