rag pumpn.

Brit.

/ˈraɡ pʌmp/, U.S.

/ˈræɡ ˌpəmp/

Origin: Formed within English, by compounding. Etymons: rag n.³, pump n.¹

Etymology: < rag n.³ + pump n.¹

Mining. Now historical.

A chain-pump driven by a rag wheel. Cf. rag n.³

ΘΚΠ

society > occupation and work > equipment > lifting or hoisting equipment > [noun] > for raising water

well bucket1477

flail?a1500

kettle-mill1570

scoop1580

water engine1611

chain-pumpa1618

cochlea1648

water-screw1648

engine1652

bucket-fountain1663

chain1682

noria1696

tub-engine1702

tub-gin1702

well-pole1727

screw engine1729

rag1747

rag pump1747

swape1773

picotah1780

water balance1800

ram1801

well sweep1818

shadoof1836

hydraulic belt1856

water carrier1875

bailer1883

trip-bucket1926

1747 W. Hooson Miners Dict. sig. D 2^v Brandric, an Iron made and shaped fit for a Place at the Foot of a Rag-Pump, to make the Chain enter in the better.

1754 W. Emerson Princ. Mech. xi. 265 DEF is a rag-pump, or chain pump. EF the barrel. CD the roller. GH an endless chain, to which are fixed several leather buckets.

1789 J. Banks Epitome Course Lect. Nat. & Exper. Philos. (new ed.) v. 63 The Chain Pump, or rag pump, consists of a number of pieces of wood or iron..connected by a strong chain, passing through the centre of each.

1811 J. Farey Gen. View Agric. Derbyshire I. 337 Series of common Chain or Rag Pumps, worked by a great number of Men in succession..lift the water out of the bottoms of the Mines.

1995 Technol. & Culture 36 230 In the rag pump or ‘chain engine’, the chain was retained, but the buckets were replaced by disks drawn through continuous 6- or 7-inch pipes bored in 12- or 14-inch elm.

This is a new entry (OED Third Edition, June 2008; most recently modified version published online June 2022).

单词	rag pump
释义	rag pumpn. Brit. /ˈraɡ pʌmp/, U.S. /ˈræɡ ˌpəmp/ Origin: Formed within English, by compounding. Etymons: rag n.³, pump n.¹ Etymology: < rag n.³ + pump n.¹ Mining. Now historical. A chain-pump driven by a rag wheel. Cf. rag n.³ ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > [noun] > for raising water well bucket1477 flail?a1500 kettle-mill1570 scoop1580 water engine1611 chain-pumpa1618 cochlea1648 water-screw1648 engine1652 bucket-fountain1663 chain1682 noria1696 tub-engine1702 tub-gin1702 well-pole1727 screw engine1729 rag1747 rag pump1747 swape1773 picotah1780 water balance1800 ram1801 well sweep1818 shadoof1836 hydraulic belt1856 water carrier1875 bailer1883 trip-bucket1926 1747 W. Hooson Miners Dict. sig. D 2^v Brandric, an Iron made and shaped fit for a Place at the Foot of a Rag-Pump, to make the Chain enter in the better. 1754 W. Emerson Princ. Mech. xi. 265 DEF is a rag-pump, or chain pump. EF the barrel. CD the roller. GH an endless chain, to which are fixed several leather buckets. 1789 J. Banks Epitome Course Lect. Nat. & Exper. Philos. (new ed.) v. 63 The Chain Pump, or rag pump, consists of a number of pieces of wood or iron..connected by a strong chain, passing through the centre of each. 1811 J. Farey Gen. View Agric. Derbyshire I. 337 Series of common Chain or Rag Pumps, worked by a great number of Men in succession..lift the water out of the bottoms of the Mines. 1995 Technol. & Culture 36 230 In the rag pump or ‘chain engine’, the chain was retained, but the buckets were replaced by disks drawn through continuous 6- or 7-inch pipes bored in 12- or 14-inch elm. This is a new entry (OED Third Edition, June 2008; most recently modified version published online June 2022). < n.1747
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