Letter, R. W. Raymond to William Van Slooten - Regarding the Practicability of Mining Sulfur from the Calcasieu Deposit (After naming and considering several types of technology, the Poetsch Process which uses freezing. Van Slooten was a principal in the Diamond Prospecting Company, an earlier unsuccessful attempt to mine this sulfur.), 1886
File — Box: 2, Folder: 5
Dates
- Creation: 1886
Repository Details
Part of the Science History Institute Archives Repository
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315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org