Biodiversity Heritage Library · page-43501835
Improved adapter for increment borer ratchet assembly — Illustration, Page 2
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BHL classifies this scanned page as Illustration. Publication: Improved adapter for increment borer ratchet assembly. Publication creators (not identified as the page's illustrator): Herman, Francis R.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.). Contributing institutions: U.S. Department of Agriculture, National Agricultural Library. Bibliographic metadata supplied by BHL under CC0; image rights are separate.
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1972. Improved adapter for increment borer ratchet assembly — Illustration, Page 2. https://www.biodiversitylibrary.org/page/43501835
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