The Man Who Made Diamonds

“Professor Calthrop, actuated only by scientific motives, and his assistant, out for his own gain, have invented a system for the manufacture of diamonds.” - BFI. “Professor Calthrop, actuated only by scientific motives, and his assistant, out for his own gain, have invented a system for the manufacture of diamonds.” - BFI. “Professor Calthrop, actuated only by scientific motives, and his assistant, out for his own gain, have invented a system for the manufacture of diamonds.” - BFI. “Professor Calthrop, actuated only by scientific motives, and his assistant, out for his own gain, have invented a system for the manufacture of diamonds.” - BFI.