00754cam a2200229 4500001000700000003000800007005001700015008004100032010001700073020001500090040002200105050001400127082001300141100005000154245015200204250001400356260004200370300003900412350001100451650002500462730003700487299040BD-DhUL20170420171512.0721013s1972 nyua 000 0 eng  a 72076168  a0385081081 aDLCcBD-DhULdDLC00aT19b.H4800a609bHEY1 aHeyn, Ernest V.q(Ernest Victor),d1904-1995.12aA century of wonders;b100 years of Popular science,cby Ernest V. Heyn, in collaboration with past and present editors of Popular science monthly. a[1st ed.] aGarden City, N.Y.,bDoubleday,c1972. a320 p.billus. (part col.)c27 cm. a$20.00 0aTechnologyxHistory.0 aPopular science (New York, N.Y.)