back-restn.

Etymology: back- comb. form 1b(a).Previous versions of the OED give the stress as: ˈback-rest.

1. A contrivance to support or ease the back of a person when seated or engaged in manual work (e.g. at a lathe). Also, provision for such support.

ΘΚΠ

society > occupation and work > equipment > work-benches, seats, etc. > [noun] > back-rest

back-rest1879

steady-rest1882

1879 J. J. Holtzapffel Turning & Mech. Manip. IV. 20 The turner using the pole lathe..requires the back rest to steady and support his body.

1909 Daily Chron. 13 Nov. 9/6 Neither does it mean that the passengers have their comfort curtailed in respect of insufficient back-rest.

2. A guide attached to the slide-rest of a turning-lathe and placed in contact with the work to steady it.

ΘΚΠ

society > occupation and work > equipment > machine tool > lathe > [noun] > guide

back-rest1881

1881 in Imperial Dict.

1907 C. O. E. Perrigo Mod. Amer. Lathe Pract. 164 There are two classes of these rests which may in a general way be called ‘center rests’ and ‘back rests’. The center rests usually have jaws bearing upon the work at three points spaced equally around the circle, while a back rest bears upon the work generally at the back and on top only.

3. Weaving. A bar over which the warp passes from the warp-beam.

ΘΚΠ

the world > textiles and clothing > textiles > textile manufacture > manufacture textile fabric or that which consists of > manufacture of textile fabric > [noun] > weaving > loom > warping bar

warp-bar1538

warping-bar1808

whip-roll1863

back-rest1894

warping board1910

1894 T. W. Fox Mechanism Weaving 369 Each warp beam..must be parallel with back rest, breast beam, and taking-up roller.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	back-rest
释义	back-restn. Etymology: back- comb. form 1b(a).Previous versions of the OED give the stress as: ˈback-rest. 1. A contrivance to support or ease the back of a person when seated or engaged in manual work (e.g. at a lathe). Also, provision for such support. ΘΚΠ society > occupation and work > equipment > work-benches, seats, etc. > [noun] > back-rest back-rest1879 steady-rest1882 1879 J. J. Holtzapffel Turning & Mech. Manip. IV. 20 The turner using the pole lathe..requires the back rest to steady and support his body. 1909 Daily Chron. 13 Nov. 9/6 Neither does it mean that the passengers have their comfort curtailed in respect of insufficient back-rest. 2. A guide attached to the slide-rest of a turning-lathe and placed in contact with the work to steady it. ΘΚΠ society > occupation and work > equipment > machine tool > lathe > [noun] > guide back-rest1881 1881 in Imperial Dict. 1907 C. O. E. Perrigo Mod. Amer. Lathe Pract. 164 There are two classes of these rests which may in a general way be called ‘center rests’ and ‘back rests’. The center rests usually have jaws bearing upon the work at three points spaced equally around the circle, while a back rest bears upon the work generally at the back and on top only. 3. Weaving. A bar over which the warp passes from the warp-beam. ΘΚΠ the world > textiles and clothing > textiles > textile manufacture > manufacture textile fabric or that which consists of > manufacture of textile fabric > [noun] > weaving > loom > warping bar warp-bar1538 warping-bar1808 whip-roll1863 back-rest1894 warping board1910 1894 T. W. Fox Mechanism Weaving 369 Each warp beam..must be parallel with back rest, breast beam, and taking-up roller. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). < n.1879
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