Jeffrey retarding conveyers catalog no. 232.
- Creator Corporate Names:
- Jeffrey Manufacturing Company (Columbus, Ohio)
- Title:
- Jeffrey retarding conveyers catalog no. 232.
- Call Number:
- P4948
- Date:
- 1918
- Description:
- Pamphlet.
- Subject Corporate Names:
- Jeffrey Manufacturing Company (Columbus, Ohio)--Catalogs.
- Subject Topical:
- Coal mines and mining--Equipment and supplies--Catalogs.