Information Sheet
Rating:
Unknown

Came from:
U.S.A.

Manufactured:
Prior to 1922

Purchased:
March 2003

Price paid:
$18.50 plus sh.

Bulb rarity:
Very rare

Features:
Twin hairpin filaments


Carbon Resistance Bulb

This is a carbon filament resistance bulb. Although it works the same way as a normal lightbulb, it is intended to be a primitive ballast. The 300 on top refers to its resistance. The patina on the base of this bulb is especially darkened, the darkest I have ever seen.


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