How It's Made · SEASON 16
Audio Vacuum Tubes, Light Bars, Wood Model Aircraft, Metal Snare Drums
Episode 7 · 2010-11-12
- Documentary
Episode overview
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.
21 minutes
Season 16 episodes
1. Millefiori Glass Paperweights, Road Salt, Nutcrackers, Car Doors2010-10-01
2. Straight Razors, Black Pudding, Steering Wheels, Inorganic Pigments2010-10-08
3. Cast Iron Cookware, Biodiesel, Clothes Hangers, Stone Wool Insulation2010-10-15
4. Needles and Pins, Architectural Mouldings, Locomotives, Clothespins2010-10-22
5. Filigree Glass, Fish Food, Motor Homes2010-10-29
6. Surgical Instruments, Ketchup, Double-Decker Buses, Walking Sticks2010-11-05
7. Audio Vacuum Tubes, Light Bars, Wood Model Aircraft, Metal Snare Drums2010-11-12
8. Kitchen Accessories, Central Vacuums, Papier-Mâché Animals, Hydraulic Cylinders2010-11-19
9. Clay Liquor Jugs, Poultry Deli Meats, NASCAR Engines2010-11-26
10. Digital Dentistry, Nail Clippers, Poster Restoration, Canola Oil2010-12-03
11. Dial Thermometers, Hummus, Spent Fuel Containers, Straw Sombreros2010-12-10
12. Tequila, Waterbeds, Flip Flops, Silver2010-12-17
13. Composite Propane Cylinders, Salsa, Water-Pumping Windmills, Dragsters2010-12-24
