Hardy, Herbert Wilfrid. [from old catalog]
Compound change gear & indexing problems; - London, Machinery Pub. Co. [1952?] - 80 p. 22 cm.
53035735
Gearing--Tables.
TJ185 / .H35
Compound change gear & indexing problems; - London, Machinery Pub. Co. [1952?] - 80 p. 22 cm.
53035735
Gearing--Tables.
TJ185 / .H35