The U.S. Patents of Nikola Tesla

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Specificatipu Letters Patent. increase the velocity the 03 intake t. Fig, and Fig. Such a cascade presents singularly attractive ap- 105 pearanee and this- feature may still fur­ ther enhanced artistic grouping plants or other objects around it, which case the whole contrivance may hidden from view..UNITED STATES PATENT OFFICE'.the top and pro- 50 rided with openings the bottom. is thought unnecessary show these attach­ ments the drawing. Incidentally, permits the realization beautiful and striking views through, illumination and the dispo- 25 sition voluminous cascades which, more- /over, may applied useful,purposes in ways not '. Tn the hub inserted shaft rotatably sup­ ported ball bearings and carrying at its lower end friction pulley gear wheel 7.the following full, clear, and exact description. Receptacle being filled the proper level 75 with water other fluid, and the power turned on, the propeller blades are set in rotation and the fluid, drawn through the openings -lifted the horizontal flared out top conduit until overflows the -r- form circular cascade. The underlying idea the invention can 85 carried out apparatus widely varied design, but the present instance the sim­ plest forms, which aware, are shown as embodiments the principle involved.he propeller. the upper end the shaft fastened 55 casting preferably some non-corrosive alloy, with blades constituting screw which shown this instance the best known propelling device; but will be. 4 illustrate fcortesponding views similar device ranch simpler construction. un­ derstood that other means may employed.. About one tenth that delivered per minute will be, generally, sufficient. 1,113,716. Y. o v . MEW YORK. ioo the circulation extremely rapid the total quantity liquid required comparatively small. iVith the vied’ still further economizing energy, the bottom receptacle may be shaped indicated the dotted, lines ,12, in Fig. It has been customary heretofore foun­ íc tains and aquarian displays, project spouts, jets, sprays water from suitable fixtures, chiefly for decorative and beautify­ ing purposes. .other compound, with central hub and coni­ cal conduit flared out at. In the accompanying drawing, Figure is 40, top plan and Fig. Invariably, the quantity 'of the issuing fluid was small and the pleasing 15 impression the eye was solely the result of the more less artistic arrangement pf the streamlets .an appliance which have . Serial No. Particularly beautiful displays, how- no ever, are obtainable illumination which may carried out many ways. 797,718.practicable with the old and fa­ miliar devices. Application filed October 28,1913. A motoi' suitably mounted as, go transmit through wheel 11, friction or otherwise, power the pulley 'wheel 7.and ornaments employed. MIKOLA TESLA. Openings may covered with removable drainers and receptacles may lie provided pi convenient connections, respectively, 35 for cleaning and renewing the liquid. FOUNTAIN. the lift inconsiderable, little power needed keep motion a 'great volume water and the impression 3$ produced the observer very striking. during the speed and securing smooth,and even overflow. To convey idea the results obtain­ able with small apparatus, properly de­ signed, may stated that applying only 1/25 horse-power the shaft and §5 assuming lift eighteen inches, more' -than one hundred gallons per minute may be propelled, the depth the fluid passing over the flared top conduit one foot in diameter, being nearly one-half inch. vertical central sec- jtional view . 45 Referring the first, represents re­ ceptacle any suitable material, metal, 'glass, porcelain, marble, cement . 13,1914. The latter funnel shaped for 'reasons' 33 of economy, and also for-the purpose re- . The present invention departure from such practice that relies principally 20 the fascinating spectacle large mass of fluid'in motion and the display seem­ ingly great power. Patented Oct. -'devised for the purpose. These objects are accom­ plished the displacement great vol- 80 ume fluid with relatively smáli expendi­ ture energy the production and mainte­ nance veritable waterfall distin­ guished from mere spout, jet spray. The operation will readily understood. In order prevent the wetting the bearings shaft the central hub re­ ceptacle made project above conduit 3. To all whom may concern: Be known that citi­ zen the United States, residing New York, borough Manhattan, county, and 5 State New York, have invented certain new and useful Improvements Fountains, of which