Bench work in wood; a course of study and practice designed for the use of schools and colleges (1888)
Goss, William Freeman Myrick, 1878- · Boston : Ginn · leaf 71
partA which holds the bit is also turned, notwithstanding the in-clination of one part to the other.1 Compared with the ratchet-brace, this has the advantage of producing a continuous motionof the bit. By its use a hole may be bored in the corner aseasily as in the middle of a room. The angle of… … 1 Considered as a mechanical movement, this is known as Hookes joint. BENCH TOOLS. 59 held in a suitable chuck C, at the end of the bar D, whichruns in B, The drill is brought into contact with the work,and pressure in the direction of the arrow, slides B down uponD, and this movement causes D with…
Woodwork (Manual training)
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