There's a recent socumentary on the linotype machine. http://www.linotypefilm.com/ http://www.linotypefilm.com/ The mechanical binary coding of matrices used

There's a recent socumentary on the linotype machine. http://www.linotypefilm.com/ http://www.linotypefilm.com/ The mechanical binary coding of matrices used to return them to their hoppers via the distribution mechanism is intriguing.