"hutchings, david w. "
edison at work: / david.w. hutchings - 1 ed. - usa : hastings house 1969. - ", 94p.; 22 cm." - the famous museum series .
8038 1893 9 hard cover
TK140.E3 / .H87 1969
edison at work: / david.w. hutchings - 1 ed. - usa : hastings house 1969. - ", 94p.; 22 cm." - the famous museum series .
8038 1893 9 hard cover
TK140.E3 / .H87 1969