Knight's Mechanical Encyclopedia, U., Va′ri-a-ble cut-off.

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19th-Century American

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chapter : entry
entry

Table of Contents:

Ul′tra-ma-rine′.

Um-bil′i-cal Band′age.

Um-brel′la-stand.

Un′cial Writ′ing.

Un′der-ground-railway.

Un′der-lay′er.

Un′der-lay-shaft.

Un′der-lev′el drift.

Un′der-met′al.

Un′der-pin′ning.

Un′der-set′ting.

Un′der-shot Wa′ter-wheel.

Un′der-shut-wheel.

Un′der-shut-valve.

Un′der-the-top.

Un-hair′ing–knife.

Un-hair′ing–ma-chine′.

Un′ion–joint.

Un′ion–pump.

U-ni-versal Bor′ing–ma-chine.

U-ni-vers′al chuck.

U-ni-vers′al Com′pass.

U-ni-vers′al Coup′ling.

U-ni-vers′al In′stru-ment.

U-ni-vers′al joint.

U-ni-vers′al Syr′inge.

Un-load′ing ma-chine′.

Up′per–leath′er.

Up′per–ma-chines′.

Up-set′ting–press.

Up′ward Fil′ter.

U-ran′i-co-plas′tic In′stru-ments.

U-re′thra–cut′ter.

U-re′thra–syr′inge.

U-re′thra-tome.

U-ri-nom′e-ter.

U′ter-ine Di-lat′or.

U′ter-ine douche.

U′ter-ine El′e-vator.

U′ter-ine re-dress′or.

U′ter-ine Scar′i-fi-cator.

U′ter-ine Spec′u-lum.

U′ter-ine Sup-port′er.

U′vu-la–for′ceps.

U-vu′la-tome.

Vac′ci-nator.

Vac′u-um-appa-ra′tus.

Vac′u-um-brake.

Vac′u-um–cyl′in-der cock.

Vac′u-um–fil′ter.

Vac′u-um–gage.

Vac′u-um–pan.

Vacu-um–pump.

Vac′u-um–valve.

Vag′i-nal Specu-lum.

Vag′i-nal Syr′inge.

Va-len′ci-ennes′ lace.

Va-len-tin's′ knife.

Va-let′ a Pa-tin′.

Va-lise′–lock.

Va-lise′–sad′dle.

Valve–buck′et.

Valve–cham′ber.

Valve–coup′ling.

Vand-kik′kat.

Vapor-a′ri-um.

Va′por-burn′er.

Va′por-burn′ing stove.

Va′por-en′gine.

Va′por-in-hal′er.

Va′por-izing-stove.

Va′ri-a-ble cut-off.

Va′ri-a-ble-speed Pul′ley.

Va′ri-a-ble-speed wheel.

Va-ri-a′tion-com′pass.

Var′i-cose Stock′ing.

Var′i-cose-vein Band′age.

Var′nish-ing.

Var′nish-lens.

Vault-cov′er.

Vault′ing-horse.

Veg′e-ta-ble-chop′per.

Veg′e-ta-ble-cut′ter.

Veg′e-ta-ble-ex′tracts Appa-ra′tus.

Veg′e-ta-ble-flan′nel.

Veg′e-ta-ble-grat′er.

Veg′e-ta-ble-i′vo-ry.

Veg′e-ta-ble-parch′ment.

Veg′e-ta-ble-sli′--cer.

Vege-ta-ble-wash′er.

Velo-cim′e-ter.

Ve-loc′i-pede.

Vel-vet-een′.

Vel′vet-loom.

Vel′vet-pa′per.

Vel′vet-pile Car′pet.

Vel′vet-tree.

Ve-neer′--bend′ing.

Ve-neer′--cut′ter.

Ve-neer′--cut′ting ma-chine′.

Ve-neer′ing-ham′mer.

Ve-neer′--mill.

Ve-neer′--plan′ing ma-chine′.

Ve-neer′--pol′ish-ing ma-chine′.

Ve-neer′--press.

Ve-neer′--saw.

Ve-neer′--straight′en-ing ma-chine′.

Ve-ne′tian ball.

Ve-ne′tian blind.

Ve-ne′tian Car′pet.

Ve-ne′tian glass.

Ve-ne′tian Win′dow.

Vent-fau′cet.

Ven′ti-lating-bricks.

Ven′ti-lating-heat′er.

Ven′ti-lating mill-stones.

Ven′ti-lating-stack.

Ven′ti-lating Wa′ter-wheel.

Ven′ti-lator.

Vent-stop′per.

Verge-es-cape′ment.

Ver′ni-er-cal′i-per.

Ver′ni-er-com′pass.

Ver′ni-er-tran′--sit.

Ve-ro′na-serge.

Ver′ti-cal Bor′ing-ma-chine′.

Ver′ti-cal buhr-mill.

Ver′ti-cal dial.

Ver′ti-cal drill.

Verti-cal es-cape′--ment.

Ver′ti-cal mill.

Ver′ti-cal plan.

Ver′ti-cal Plan′ing-ma-chine′.

Ver′ti-cal pump.

Ver′ti-cal Spin′dle-step.

Ver′ti-cal steam-en′gine.

Vet′er-i-na-ry In′stru-ment.

Vi-a-tom′e-ter.

Vi′brat-ing-pis′ton steam-en′gine.

Vi′brat-ing-pro-pel′ler.

Vi′brat-ing-roll′er.

Vi′brat-ing steam-en′gine.

Vi′bro-scope.

Vine-fi-ca′teur.

Vin′e-gar-appa-ra′tus.

Vi-ole′ d'a-mour′.

Vi′o-lin′--pi-a′no.

Vio-lon-cel′lo.

Vit′re-o-graph.

Vit-ri-fac′tion.

Vi′trodea Trino.

Vol-can′ic En′gine.

Vol-i-cim′e-ter.

Vol′ta-e-lec-trom′e-ter.

Vol-ta′ic Bat′ter-y.

Vol-ta′ic light.

Vol-ta′ic pile.

Vol-tam′e-ter.

Vol′ta-plast.

Vol′u-ta-ry press.

Vo-lute′--com′pass-es.

Vo-lute′--spring.

Vo-lute′--wheel.

Vor′tex Wa′ter-wheel.

Vote-re-cord′er.

Vox-Hu-ma′na.

Voy′ol-block.

Vul ′can-ite.

Vul ′can-ite-flask.

Vul ′can-ite spring.

Vul ′can-iz-er.

Vul-can-iz′ing.

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Va′ri-a-ble cut-off.

One actuated from the governor, so as to be brought into action according to the load on the engine. See cut-off.

Vapor-inhaler.

In McKay's (Fig. 6904), the usual right and left hand screw for spreading or approaching the two sections of the cut-off are dispensed with. a is the steam-valve; the stem of each part b c of the cut-off passes through the other part and through a stuffing-box at each end of the steam-chest, and the end of each stem is connected by a rod d e to the pivoted lever f, itself connected by a rod g to the eccentric; by this the requisite throw is produced. The two parts are of box form, or hollow on their working faces, so as to be always balanced. The link h is connected by the rod i and lever j to the collar of the governor k; it is connected to a block sliding in the same guides as the lever f, and moves with it, serving to tilt it, and, through the medium of the rods d e, bringing the two parts of the cut-off together to diminish the steam supply, or spreading them to increase it, according as the governor-balls spread out or collapse. Other forms than the ball-governor may be employed.

Variable cut-off.

1877.

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