Although he never achieved commercial success with methods he was developing, he was going down precisely the right path towards modern methods of printing from a photographic plate.
Kahit na siya ay hindi kailanman makakamtan komersyal na tagumpay sa mga pamamaraan na siya ay pag-unlad, siya ay going down tiyak ang karapatan na landas tungo sa makabagong pamamaraan ng imprenta mula sa isang Photographic plate.