Knight's Mechanical Encyclopedia, U., Ven′ti-lating mill-stones.

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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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Ven′ti-lating mill-stones.

The system of ventilating mill-stones by vacuum or plenum, by a blast of air in the eye or a suction-fan to the case, seems to have been invented about 1844.

See English patents:	Newton, 11,084	A. D. 1846.
	Gordon, 10,163	A. D. 1844.
Belgian patent:	Houyet and Gendebein	A. D. 1844.
French patents:	Cabanes	May 29, 1845.
	Cabanes	May 26, 1846.

Fig. 6957 may be taken as an illustration. The collar is connected to the curb by the elastic annular diaphragm, and its lower edge is received in an annular groove in the top of the stone. The air passes down the central opening in the collar and the eye of the stone, passing between the stones and up through the vertical spout to the fan. The meal has the usual exit.

Ventilated mill-stone.

1877.

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