Ferraris, G. <br/><br/>
Dioptric instruments being an elementary exposition of gauss theory and its applications German translation of Ferraris Italian work entitled "The fundamental properties...   
by G. Ferraris, Tr. by Oscar Faber. 
 - London  H.M.S.O.  1919 
<br/><br/><label>Dewey Class. No.: </label>535.84  / N19