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You searched for: Date 1954/10/05 Remove constraint Date: 1954/10/05 Topical Subjects Coal preparation. Remove constraint Topical Subjects: Coal preparation.
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Used to improve coal quality by reducing the ash.

1. Jeffrey Baum Jig at Jamison No. 9

IDNO:
003332
Title:
Jeffrey Baum Jig at Jamison No. 9
Date:
1954/10/05
Description:
Used to improve coal quality by reducing the ash.