Image: Squirrel Cage filament lamp
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Description: An early lamp with a tantalum filament. The zig-zag shape is referred to as a "squirrel cage" arrangement. The filament is about 1 meter long. Manufactured pre-1915. It uses about 240 watts of power at 110 volts.
Author: Ladd Observatory
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
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