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

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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-light.

A variety of light as displayed for the warning and instruction of mariners from lighthouses. The light indicates land, rock, or shoal, and, by varying the characteristics of the light, the seaman is informed of the part of the coast he is on, and of his bearings as to his port or course. [727]

The other characters of light are known as fixed, revolving, intermittent, flashing, colored. These are variously combined.

The double-light is usually exhibited from two towers. One of these is sometimes higher than the other. The duplication of the lights affords a leading line as a guide to a channel, as well as furnishing another mode of varying the lights on a coast where they are numerous. See light.

1877.

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