"0, . "
purnell's encyclopaedia of inventions: / - ed. - london : purnell 1976. - ", 127p.; 30 cm."
361 03495 4 hard cover
inventions-encyclopaedias
T15 / .P87 1976
purnell's encyclopaedia of inventions: / - ed. - london : purnell 1976. - ", 127p.; 30 cm."
361 03495 4 hard cover
inventions-encyclopaedias
T15 / .P87 1976