Elementary cabinetwork for manual training classes (1909)
Selden, Frank Henry. [from old catalog] · Chicago, New York [etc.] Rand, McNally & company · leaf 253
246 ELEMENTARY CABINETWORK … .some pressure is necessary to cause the bit toadvance, and also because the end does not cutperfectly, the bit will frequentlybe forced away from the properposition. This is especially truein boring such wood as oak, whichhas both a hard grain and a softgrain. The shanks of these bitsbend easily,…
Cabinetwork
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