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How It's Made
Season 16 · Episode 7
Audio Vacuum Tubes, Light Bars, Wood Model Aircraft, Metal Snare Drums
10.021mNovember 12, 2010
Delicate electrodes and control grids are assembled inside glass envelopes that are evacuated and sealed to form audio vacuum tubes. Optical modules, wiring and housings are combined into emergency light bars; lightweight wooden pieces are cut and joined into model aircraft; and formed metal shells are fitted with heads, tensioning hardware and snare wires to create snare drums.
Episodes
- Episode 1Millefiori Glass Paperweights, Road Salt, Nutcrackers, Car Doors
- Episode 2Straight Razors, Black Pudding, Steering Wheels, Inorganic Pigments
- Episode 3Cast Iron Cookware, Biodiesel, Clothes Hangers, Stone Wool Insulation
- Episode 4Needles and Pins, Architectural Mouldings, Locomotives, Clothespins
- Episode 5Filigree Glass, Fish Food, Motor Homes
- Episode 6Surgical Instruments, Ketchup, Double-Decker Buses, Walking Sticks
- Episode 7Audio Vacuum Tubes, Light Bars, Wood Model Aircraft, Metal Snare Drums
- Episode 8Kitchen Accessories, Central Vacuums, Papier-Mâché Animals, Hydraulic Cylinders
- Episode 9Clay Liquor Jugs, Poultry Deli Meats, NASCAR Engines
- Episode 10Digital Dentistry, Nail Clippers, Poster Restoration, Canola Oil
- Episode 11Dial Thermometers, Hummus, Spent Fuel Containers, Straw Sombreros
- Episode 12Tequila, Waterbeds, Flip Flops, Silver
- Episode 13Composite Propane Cylinders, Salsa, Water-Pumping Windmills, Dragsters