Machines

author: O'Brien, Robert
title: Machines
publisher: Time, inc.
date: [1964]
call number: TJ147 .O2
physical description: 200 p. illus. (part col.) ports. 28 cm.
notes: by Robert O'Brien and the editors of Life. Bibliography: p. 196.
responsibility statement: by Robert O'Brien and the editors of Life.
subjects: Machinery;