Linotype: A mechanical typesetting machine manufactured by Linotype. It assembles pieces of type matrices in a line and casts with molten lead to produce a single piece of type slug.
Ludlow: Proprietary name of a display-size typesetting machine for which the matrices are assembled by hand and the type is cast in line slug.
manual phototypesetting machine
a keyboard-operated typesetting machine that casts an entire line as a single slug of metal.
a keyboard-operated typesetting machine that sets separate characters.
