Knowledge Handler

Information Sources & Information Sifting Techniques

: Name: David Dial; Location: Cleveland, Ohio, United States

I am a retired librarian, most recently serving at Indiana Wesleyan University's Cleveland Education Center.

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Tuesday, November 05, 2024

The Phoebus Cartel

Markus Krajewski reveals a 1920's scheme for planned obsolescence amomg light bulb manufacturers.

-DD

Labels: Light bulbs, Lighting