Search

1 result for "By-product ammonia" in Creator.

Title ▲	Year	Creator	Length	Holdings
PLANT FOOD FROM COAL By-product ammonia	1940	By-product ammonia	39 min

Found in catalogs (2)

See and Hear 1950,1951,1952 — page 198
…By-Products Ammonia: By-Products Am- monia, Educational & Research Bureau, 50 W. Broad St., Columbus 15, 0. CAA: Civil Aeronautics Administratio Audio-Visual Aids…
See and Hear, 1949, 1951 — page 580
…By-Products Ammonia: By- Products Am- monia, Educational & Research Bureau, 50 W. Broad St., Columbus 15, O. CAA: Civil Aeronautics Administration, Audio-Visual Aids…