Engineering & TechnologyFrictional ignition with coal mining bitsWelby G Courtney![Frictional ignition with coal mining bits]()
Frictional ignition with coal mining bits
Welby G Courtney
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“Frictional ignition with coal mining bits” by Welby G Courtney: a public-domain book in “Engineering & Technology”, written in English. Read it in full and…
Catalogue details
- Author
- Welby G Courtney
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust