Before revision: One historic application of a coordinatograph was a machine that precisely placed and cut rubylith to create photomasks for early integrated circuits including the great-grandfather of the modern PC microprocessor, the Intel 8008.
After revision: One historic application of a coordinatograph was a machine that precisely placed and cut rubylith to create photomasks for early integrated circuits including one of the earliest generations of the modern PC microprocessor, the Intel 8008.