Original vintage mining magazine ad, NATIONAL CARBON COMPANY of Cleveland, OH. Carbon the Magnificent. Sir Humphry Davy proved the diamond is but pure crystallized carbon. He also produced the first electric arc light, using two pieces of charcoal. NCC Laboratories. Old 1928 dated coal mining industry advertisement. On the reverse side is HERCULES POWDER COMPANY of Wilmington, DE. How to cut Explosives Costs. Hercomites. Old 1928 coal mining industry advertisement. Approximate page size 9 x 12 inches.
- SKU o433
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