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Silica
Diamotite as a filler in battery boxes
Diatomite
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Published Year
1920-1929 (1)
1930-1939 (2)
Subject
Diatomaceous earth (3) *
Diatoms (1)
Electric batteries (1)
Quartzite (1)
Sand, Glass (1)
Sandstone (1)
Silica (1)
Tripoli (Mineral) (1)
Author
Hatmaker, Paul. (2)
Ladoo, Raymond B. (1)
