Kingsford, P. W.
Engineers inventors and workers - 1st ed. - London Edward Arnold 1964 - 272p. illus.
Includes bibliographies
Great Britain : Inventions
608.742 / KIN/1964
Engineers inventors and workers - 1st ed. - London Edward Arnold 1964 - 272p. illus.
Includes bibliographies
Great Britain : Inventions
608.742 / KIN/1964