How does a lightbulb work? Pacific Lamp & Supply Company
CFL light bulb - Energy Education
Wikijunior:How Things Work/Light Bulb - Wikibooks, open books for an open world
How an Incandescent Light Bulb Works — 1000Bulbs.com Blog
How Incandescent Light Bulbs Work — 1000Bulbs.com Blog
Lake Electric Co. Inc. - Ever wondered how all those light bulbs in your building work? This diagram provides a great explanation! (Image source: www.action.scholastic.com) | Facebook
Compound Interest: How do different light bulbs work? – in C&EN
Anatomy of an LED Lightbulb & Infographic | Warehouse-Lighting.com