Knight's Mechanical Encyclopedia, D., Doub′le-tree.

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19th-Century American

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Table of Contents:

Dab′bing-ma-chine′.

Dac-tyl′i-on.

Dag′ger-piece.

Dag′ger-plank.

Da-guerre′o-type.

Da-guerre′o-type Etch′ing.

Dahl ′gren gun.

Da-mas′cus-i′ron.

Da-mas′cus-twist.

Dam′ask-car′pet.

Dam′ask-loom.

Dam′ask-steel.

Damp′per-reg′u-la′tor.

Damp′ing-ma-chine′.

Dan ′dy-brush.

Dan ′dy-horse.

Dan ′dy-rig cutter.

Dan ′dy-roll′er.

Dan ′iell's Bat′ter-y.

Dan ′ish Bal′ance.

Dark-glass′es.

Dark-lan′tern.

Darn′ing-last.

Darn′ing-nee′dle.

Da-sym′e-ter.

Dav ′it-fall hook.

Dead-beat es-cape′ment.

Dead-cen′ter.

Dead-col′or-ing.

Dead-let′ter.

Dead-ris′ing.

Dead-smooth file.

Dead-spin′dle.

Dead-stroke Ham ′mer.

De-bran′ning-ma-chine′.

Deca-chord′on.

De-can-ta′tion.

De-car′bon-izing-fur′nace.

Deck-feed pump.

Deck-stop′per.

Deck-tran′som.

Decli-na′tion.

Decli-na′tor.

De-clin′ing-di′al.

Decli-nom′e-ter.

De-clor-im′e-ter.

De-col′or-ing-style.

De-cor′ti-cator.

Decus-so′ri-um.

Deep-well pump.

Def ′e-cator.

De-file′ment.

Defla-gra′tion.

Def ′la-grator.

Deflec-tom′e-ter.

Deg′ging-ma-chine′.

De-lin′e-ator.

De-liv′er-ing-roll.

De-liv′er-y-roll′er.

De-liv′er-y-valve.

De Lucs Col′umn.

Dem′i-bas′tion.

Dem′i-can′non.

Dem′i-cap′on-niere.

Dem′i-cir′cle.

Dem′i-cul′ver-in.

Dem′i-par′al-lel.

Dem′i-re-lief′.

Dem′i-ri′li-e′vo.

Demi-re-vet′ment.

Dem′y-os′tage.

Den-drom′e-ter.

Denmark-sat′in.

Den-sim′e-ter.

Den′tal Appa-ra′tus and Ap-pli′an-ces.

Den′tal Ar-tic′u-lator.

Den′tal Chis′el.

Den′tal-cut Dove ′tail.

Den′tal drill.

Den′tal file.

Den′tal For′ceps.

Den′tal Ham ′mer.

Den′tal Plug′ger.

Den′tal pump.

Den′ted Chis′el.

Den′ti-scalp.

Den′tist's chair.

Den′tist's flask.

Den′tist's Fur′nace.

De-o′dor-izer.

De′phleg-ma′tor.

Depi-la′tion.

Depth′en-ing-tool.

Dep ′u-rator.

De-rail′ment.

Der′mal Instru-ments.

Der′mo-pathic In′stru-ment.

De-scend′ing-let′ter.

Desic-ca′tion.

De-sil′ver-ing.

De-sul′phur-izing Fur′nace.

De-tached′ es-cape′ment.

De-tached′ work.

De-tach′ing horses from Car′riages.

Det′on-ating-ham′mer.

Det′on-ating-pow′der.

Det′on-ating-pri′mer.

Det′o-nating-tube.

Deto-na′tion.

De-vel′op-ing.

De-vel′op-ment.

Dev′il-car′riage.

Dev′il's claw.

Dew-ret′ting.

Dia-caus′tic.

Di-aer′e-sis.

Di′a-gom′e-ter.

Di-ag′o-nal-built.

Di-ag′o-nal eye-piece.

Di-ag′o-nal Fram′ing and stays.

Di-ag′o-nal lines.

Di-ag′o-nal rib.

Di-ag′o-nal scale.

Di-ag′o-nal tie.

Di-ag′o-nal wrench.

Di′a-mond-cut′ter's Com′pass.

Di′a-mond-cutting.

Di′a-mond-draft.

Di′a-mond-drill.

Di′a-mond-gage.

Di′a-mond-head′ed bolt.

Di′a-mond-knot.

Di′a-mond-lens.

Di′a-mond-mor′--tar.

Di′a-mond-nail.

Di′a-mond-plow.

Di′a-mond-point.

Di′a-mond-point Chis′el.

Di′a-mond-tool.

Di′a-mond-work.

Di′a-per-work.

Dia-pha-nome-ter.

Dia-phano-scope.

Dia-phan′o-type.

Di′a-phragm-fau′cet.

Di′aphragmplate.

Di′a-phragm-pump.

Di′as-tim′e-ter.

Di′a-tom-prism.

Dib′bling-ma-chine′.

Die-sink′ing.

Diffe-ren′tial block.

Diffe-ren′tial Coup′ling.

Diffe-ren′tial feed.

Diffe-ren′tial Gear′ing.

Diffe-ren′tial Pul′ley.

Diffe-ren′tial screw.

Diffe-ren′tial Ther-mom′e-ter.

Diffe-ren′tial Windlass.

Dif-fu′sion-ap-pa-ra′tus.

Diffu′sion-tube.

Dig′ging-ma-chine′.

Di-lut′ing Rol′ler.

Di′en-sion Lum ′ber.

Di′men-sion stone.

Di-min′ish-ing-staff.

Di-op′tric light.

Di-op′tric mi-crom′e-ter.

Dip-head Lev′el.

Di-plei′do-scope.

Dip′ping-frame.

Dip′ping-nee′dle.

Dip′ping-pan.

Dip′ping-tube.

Di-rect′ing-cir′cle.

Di′rect-ac′tion steam-en′gine.

Di′rect-draft.

Dirt-scrap′er.

Dis-charg′er.

Dis-charge — style.

Dis-charge′--valve.

Dis-charg′ing-arch.

Dis-charg′ing-rod.

Dis′en-gag′ing-gear.

Dish-heat′er.

Dish-hold′er.

Dish-wash′er.

Disin-fect′or.

Dis-in′te-grator.

Disk steam-en′gine.

Disk-tel′e-graph.

Dis-part′--sight.

Dis-patch′--boat.

Dis-patch′--tube.

Dis-place ′ment.

Dis-sect′ed map.

Dis-sect′ing-for′ceps.

Dis-secting-knife.

Dis-sect′ing-mi′cro-scope.

Dis-solv′ing-views.

Distil-la′tion.

Dis-trib′ut-ing.

Dis-trib′ut-ing-res′er-voir.

Dis-trib′ut-ing-roll′er.

Dis-trib′ut-ing-rule.

Dis-trib′ut-ing-ta′ble.

Distri-bu′tion.

Ditch′ing-ma-chine′.

Ditch′ing-plow.

Ditch′ing-tools.

Di-ver′sion-cut.

Di-vid′ed Ax′le.

Di-vid′ed Ob′ject-glass mi-crom′e-ter.

Di-vid′ing-en′gine.

Di-vid′ing-sink′er.

Div′ing-bell.

Div′ing-bell pump.

Div′ing — dress.

Di-vis′ion-plate.

Dobe-rein′er's lamp.

Doff′ing-cyl′in-der.

Doff′ing-knife.

Dog and Driv′er chuck.

Dog-leg Chisel.

Dog-legged stairs.

Dog-stop′per.

Dol′phin-strik′er.

Do-mes′tic Ap-pli′an-ces.

Do-mestic Boil′er.

Do-mes′tic press.

Donkey-en′gine.

Don ′key-pump.

Doo ′dle-sack.

Door-a-larm′.

Door-fast′en-er.

Door-roll′er.

Door′way-plane.

Dor ′mant-bolt.

Dor ′mant-lock.

Dor ′man-tree.

Dor ′mer-win′dow.

Dor ′nock; Dor′nic .

Dot′ting-pen.

Doub′le-act′ing Bal′ing-press.

Doub′le-act′ing En′gine.

Doub′le-acting pump.

Doub′le-ac′tion.

Doub′le-bar′--reled gun.

Doub′le-bass.

Doub′le-bead.

Doub′le-beat valve.

Doub′le-bit′ted axe.

Doub′le-block.

Doub′le-bod′ied Mi′cro-scope.

Doub′le-chis′el.

Doub′le-cloth loom.

Doub′le-com′pass.

Doub′le-con′cave lens.

Doub′le-con′vex lens.

Doub′le-cut file.

Doub′le-cyl′in-der press.

Doub′le-cyl′in-der Print′ing-ma-chine′.

Doub′le-cyl′in-der pump.

Dou′ble-cyl′in-der steam-en′gine.

Doub′le-dag′ger.

Doub′le-door.

Dou′ble-d'or.

Doub′le-drill.

Doub′le-draw′ing pen.

Doub′le-drum.

Doub′le-el′e-phant.

Doub′le-ended bolt.

Doub′le-ex-pan′sion steam-en′gine.

Doub′le-faced.

Doub′le-file.

Doub′le-flu′id Bat′ter-y.

Doub′le-floor.

Doub′le-fur′row plow.

Doub′le-fut′tocks.

Doub′le-gear.

Doub′le gear-wheel.

Doub′le half-round file.

Doub′le-ham′mer.

Doub′le-head′ed rail.

Doub′le-head′ed shot.

Doub′le-head′ed wrench.

Doub′le-hung Win′dow.

Doub′le-im′age mi-crom′eter.

Doub′le-im-pe′ri-al.

Doub′le-joint′ed Com′pass.

Doub′le-knife.

Doub′le-let′ter.

Doub′le-light.

Doub′le-line.

Doub′le-lock.

Doub′le-mar′gin door.

Doub′le-me′di-um.

Doub′le-mold′board plow.

Doub′le Pi′ca.

Doub′le-piled Fab′ric-loom.

Doub′le-pis′--ton pump.

Doub′le Pis′--ton-rod En′gine.

Doub′le-pis′ton square-en′gine.

Doub′le plane-i′ron.

Doub′le-plow.

Doub′le-re-frac′tion mi-crom′e-ter.

Doub′le-roy′al.

Doub′le-seam′ing ma-chine′.

Doub′le-seat valve.

Doub′le-shov′el plow.

Doub′le-speed Pul′ley.

Doub′le Su′per-roy′al.

Doub′le steam-en′gine.

Doub′le-tang file.

Doub′le-tree.

Doub′le Wa′ter-wheel.

Doub′le-win′dow.

Doub′ling and Twisting ma-chine′.

Doub′ling-frame.

Doub′ling-nail.

Dough-knead′er.

Dough-mix′er.

Dous′ing-chock.

Dove ′tail-box plane.

Dove ′tail-cut′ter.

Dove ′tailhinge.

Dove ′tail-ing-ma-chine′.

Dove ′tail-joint.

Dovetail-mark′er.

Dove ′tail-plane.

Dove ′tail-wire.

Dow ′el-ing-ma-chine′.

Dows ′ing-chock.

Down′ward-dis′charge Wa′ter-wheel.

Draft-en′gine.

Draft-e′qual-izer.

Draft-fur′nace.

Drafting Instru-ments and Ap-pli′ances.

Draft′ing-scale.

Draft-reg′u-lator.

Drag-an′chor.

Drag′on-beam.

Drain′ing-au′ger.

Draining-engine.

Drain′ing-ma-chine′.

Draw; draw′ing .

Draw—bor′ing.

Draw′—bridge.

Draw′er—lock.

Draw—fil′ing.

Draw–gage Cut′ter.

Draw′ing—bench.

Draw′ing—board.

Drawing—com′pass.

Draw′ing—frame.

Draw′ing—in.

Draw′ing—knife.

Draw′ing—ma-chine′.

Draw′ing—paper.

Draw′ing—pen.

Draw′ing—pen′cil.

Draw′ing—pin.

Draw′ing—pli′ers.

Draw′ing—point.

Draw′ing—rol′ler.

Dread′naught.

Dredging—ma-chine′.

Drench′ing—ap-pa-ra′tus.

Drenching—horn.

Dres′ser—cop′per.

Dress′ing—bench.

Dress′ing—machine′.

Drift—anchor.

Drill-bar′row.

Drill-ex-tract′or.

Drill-grind′ing ma-chine′.

Drill-har′row.

Drill-hold′er.

Drill′ing-jig.

Drill′ing-lathe.

Drill′ing-ma-chine′.

Drill-rod grab.

Drill-spin′dle.

Drip′ping-vat.

Driv′en-well.

Driv′en-well pump.

Driv′ing-ax′le.

Driv′ing-bolt.

Driv′ing-chis′el.

Driv′ing-gear.

Driv′ing-rein.

Driv′ing-shaft.

Driv′ing-springs.

Driv′ing-wheel.

Droitzsch′ka.

Drop-flue Boil′er.

Drop-ham′mer.

Drop′ping-tube.

Drop-roll′er.

Drown′ing-bridge.

Drug-sift′er.

Drum Cyl′in-der-press.

Drum′mond light.

Drunk′en-cut′ter.

Dry-cast′ing.

Dry-gild′ing.

Dry-grind′ing.

Dry′inghouse.

Dry′ing-ma-chine.

Dry′ing-room.

Dry′ing-stove.

Dub′bing-out.

Dub′bing-tool.

Ducks-bill bit.

Ducks-foot pro-pel′ler.

Duc ′ti-lim′e-ter.

Duc-til′i-ty.

Duc ′tor-roll′er.

Dumb-fur′nace.

Dumb-wait′er.

Dumb-sin′--gles.

Dump′ing-buck′et.

Dump′ing-car.

Dump′ing-cart.

Dump′ing-reel.

Dump′ing-sled.

Dump′ing-wag′on.

Dump′y-lev′el.

Duo-dec′i-mo.

Duplex-es-cape′ment.

Du′plex-lathe.

Duplex Pump′ing-engine.

Du′plex-punch.

Du′plex-tel′egraph.

Du′plex-type.

Du-rom′e-ter.

Dust′ing-brush.

Dutch Clink ′er.

Dwarf-raft′er.

Dy′ers — bath.

Dy′ers Spir′it.

Dye-wood Cut′ter.

Dy-nacti-nom′e-ter.

Dy-nam′e-ter.

Dyna-mom′e-ter.

Dyna-mo-met′ri-cal-brake.

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Doub′le-tree.

The bar which is pivoted to the tongue of a carriage, wagon, or sled, or to the clevis of a plow or other implement. To the ends of the double-tree the single-trees are attached, and to the ends of the single-trees the traces are connected.

The double-tree varies in shape with the description of vehicle, but has such a length that its ends are immediately behind each horse, so that the traces of the animal may pull squarely upon them through the medium of the single-trees. [731]

In wagons, the double-tree is attached to the tongue by means of a bolt called the wagon-hammer, upon which it swings as one or the other horse pulls the more strongly upon it.

Near the ends of the double-tree and behind it are loops for the stay-chains, which are connected to hooks in front of the fore-axle, so as to limit the sway of the double-tree.

Double and single trees.

For plowing and similar duty, the double-tree is sometimes arranged with three clevises; by the middle one it swings from the clevis of the plow or cultivator, and by the end clevises the single-trees are attached.

1877.

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