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1. Flat cutter bits.

Creator Corporate Names:
Kennametal. Mining Tool Group.
Title:
Flat cutter bits.
Call Number:
P13709
Date:
1979
Description:

Pamphlet. "B79-40(5)F9. Supersedes B77-87."

Subject Topical:
Mining machinery--Catalogs., Coal-mining machinery--Catalogs., Bits (Drilling and boring)--Catalogs.
All:
Bits (Drilling and boring)--Catalogs., Coal-mining machinery--Catalogs., Mining machinery--Catalogs.

2. Jeffrey coal cutters, loaders and mine conveyors, catalog no. 425.

Creator Corporate Names:
Jeffrey Manufacturing Company (Columbus, Ohio)
Title:
Jeffrey coal cutters, loaders and mine conveyors, catalog no. 425.
Call Number:
P6079
Date:
1926
Description:
Catalog.
Subject Topical:
Coal-mining machinery--Catalogs., Conveying machinery--Catalogs., Coal-handling machinery--Catalogs.
All:
Coal-mining machinery--Catalogs., Conveying machinery--Catalogs., Coal-handling machinery--Catalogs.