How It's Made

Season 14 Episode 9: Headphones, Diving Regulators, Reflector Light Bulbs

Miniature speaker drivers, wiring and cushioned housings are assembled into headphones. Precision valves, diaphragms and seals are combined and pressure-tested to create diving regulators, while reflector bulbs are formed, coated and fitted with their electrical components to concentrate light into a controlled beam.

Genre:

Documentary

Seasons:

32

Episodes:

416

Cast:

Lynne Adams

Quality:

HD

Duration:

21 min

First Air:

2001

Rating:

7.7