First proof of the cover—printed in relief because we could find in India neither a woodblock to cut it on, nor an engraver to cut it properly nor a lithographer to print it in colours from the stone. Wimbridge had to invent a new process to etch it on the zinc. | First proof of the cover—printed in relief because we could find in India neither a woodblock to cut it on, nor an engraver to cut it properly nor a lithographer to print it in colours from the stone. Wimbridge had to invent a new process to etch it on the zinc. |