Hatfield, H. Stafford
Inventions and their uses in science today / H. Stafford Hatfield - New York : Penguin Books, 1940 - 176 p., 7 h. : ilus. ; 18 cm - Pelican Books. A-63 .
Gas and its uses. -- The strange behaviour of metals. -- The air about us. -- Electric developments and small power plants
INVENTOS--ENSAYOS
082
Inventions and their uses in science today / H. Stafford Hatfield - New York : Penguin Books, 1940 - 176 p., 7 h. : ilus. ; 18 cm - Pelican Books. A-63 .
Gas and its uses. -- The strange behaviour of metals. -- The air about us. -- Electric developments and small power plants
INVENTOS--ENSAYOS
082
