Excursions in Science #3 - 1936
Excursions in Science #1 - 1935
Excursions in Science #4: Phototubes - 1937
Excursions in Science: Jet Power - 1952
Excursions in Science #2 - 1935
Excursions in Science & Engineering #5 - 1937
Excursions in Science #182: The Birth of a Planet - ca. 1945
Excursions in Science #274: A Mighty Tool of Science - 1946
A tour of ad v0.1.2
Excursions in Science #6 - 1939
Excursions in Science Radio Show #442: The Future of Natural Resources- 1949
Excursions in Science #258: How Much Do We Inherit? - ca. 1946
Excursions in Science #7 - 1940
Excursions in Science #276: Electronic Warfare - 1946
Excursions in Science #13: Silicones -1949
Excursions in Science #192: Some Elementary Ideas in Physics - 1945
Excursions in Science Radio Show #231: Diseases of Metal - ca. 1946
Excursions in Science Radio Show #289: Guba: Ship of Discovery - 1946 - Remastered by Dave Bahr
Excursions in Science #256: What is a Soil? - ca. 1946
Excursions in Science #255: Collecting Butterflies - ca. 1946