Usage examples (12)

• The result gave encouragement to Senefelder and induced him to renew his experiments, when he was accidentally led a step farther in the direction of surface or chemical...
• Senefelder had just ground and polished a stone, when his mother entered the room and asked him to take a memorandum of some clothes which she was about to send away to...
• They knew that the transfer methods then available to Blake did not work in relief etching, so they had him invent a method perfectly analogous to the one Senefelder...
• It seems that Senefelder finally became thoroughly disheartened about his etched copper plates, mainly owing to the great expense and labor connected with their...