Jernberg, John
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2412349A
- pdbooks.info ID: 124033
John Jernberg Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Forging: manual of practical instruction in hand forging of wrought iron, machine steel, and tool steel; drop forging; and heat treatment of steel, including annealing, hardening, and tempering | 1917 | Author | |  | |  | |    
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