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Boring and Mortising Machine
1871
Scientific American
Preserved Fulltext
The combination of deYices, shown in the annexed en graving, renders the machine illustrated a most efficient, as well as simple and durable, implement. We have seldom
doi:10.1038/scientificamerican06241871-406a
fatcat:mo7c2p2z5vg53icr4ukl7c6mu4