1930s (295)
Popular Science Episode J9-2, USA, 1939
Latex Meat Packing. Homes Made Out of Concrete. Professor Oakes (Door-to-Door Salesmen Suppressor). Hawaiian Pineapple Plant. Underwriter's Laboratories Testing of a Number of Items.
Popular Science Episode J8-6, USA, 1938
U.S. Coast Guard Itasca Cruiser. Miniature Model Race Cars. Polaroid Sun Blocking Filters. Gizmos For The Beach. World's Most Powerful Magnet For Medical Eye Repair
Popular Science Episode J9-1, USA, 1939
Highways Made of Cotton.Modern Kitchen Sequence. Professor Oakes (Gum Powered Fan). Women-only Medical School
Popular Science Episode J8-2, USA, 1938
Drunk-0-Meter (World's First Breath Test For Alcohol). Keedoozle Store (World's First Automatic Supermarket). House Fly Research. Nifty Travel Aids. Silent Time Alarm Bed. Mississippi State Penitentiary.
Popular Science Episode J8-5, USA, 1938
School For Senior Citizens. Wood Burning Hobby Kit. Aerial Targets For the Navy. Max Fleischer Studios and the Making of Popeye Cartoon.
Popular Science Episode J7-4, USA, 1937
Orchard Heater Invention. Bachelor Gal Bed. Sun Valley Snow Skiing. Gizmos and Gadgets For the Automobile. The United States Coast Guard
Popular Science Episode J7-6, USA, 1937
Doctor For Canaries. Futuristic Kitchen. The World's Largest Truck. World's First Vacuum Cleaner. Texas Rangers
Popular Science Episode J8-1, USA, 1938
Permanent Make-Up. Big Bandleader Fred Waring's Original Electric Blender. Painting with Fingers. A Collection of Unique Hats. March Field Air Force Base.
Popular Science Episode J6-6, USA, 1936
Birth of Solar Energy, Sleeping Aid Shop, Japanese Typewriter, Experiments With Liquid Air, Futuristic Dog Accessories, Automobile Safety Tires, USA, 1936
Popular Science Episode J7-1, USA, 1937
Angora Rabbit Farm, Dollar Steamship Lines, Futuristic Kitchen, Hybrid Rose Grower, Modern Medical Extraction Instruments, Hair Growing Machines
Popular Science Episode J7-2, USA, 1937
Phantom Corsair Car, Rocking Bed Invention, Butter Churning Fan Flapping Rocking Chair Invention, Gem Stone Analysis, Stocky Styles of Hollywood Stars, The World's First Seeing Eye Dogs