US1063239A - Organ-pipe. - Google Patents

Description

R. Y. BARROW.

OBGAN PIPE.

ArrLIouIox FILED JULY sa. 1m.

' 1,063,239, Patented June 3,1913.

renin e'rArne PATENT herren.

.ROBERT Y, BAEROWS, OF RUTHERFBD, NEW JERSEY, ASSIGNQR- Gl NEIALF TO GEORGE H. HARMAN, OF GLEN RDGE, NEVY JERSEY.

Application filed July 23.

To el@ whom t may confiera.'

Be it known that I, Ronnn'r Y. B mnowe, e citizen of the United States, .and n reeldent of Rutherford, in the county of Bergen and Stute of New Jersey, have invented :in Improvement. in Organ-Pipes, of whieh the following description, in connection with the accompanying drawings, is a Speeilieetimi, like let-ters onthe drawings representingr lihe his invention relaties to the labial pines nf an orgzinvits object being the production of tones of great. power and harmonie richness reni pipes of small seele, without the requirement of :l high pressure wind supply and the attendent .necessity of an :n'lditionel bellows reservoir. liithout reeouree to high wind pressure, nipe muy he mede to yield .fr greater ohnne ot' sound by increasing its Sme; that is, by Amaking its horizontal Seeion greater in proportion to its lengt-h; hut? the impression of power depends :is nach upon timbre or quality es upon winnie or quantity ot' ounsl, it is: evident that, the de velopnient ef the 'overtones is ot' very greet importance. The large Scale pipe' is; however quite deficient in this respeot, the tone heilig much too pure to he pleasing.r

ln' pipes of ordinary scales the harmonie bridge need in various forms :tor man3' jle-(irs Ganges au entrained nir current to netnpon eeml'ne with theV original wind sheet, modifying the i'lunlity of the tone withont however increasing' the volume 'of sound. f

By ineens of the new labial pipe hereinafter described, und shown in detail in the aeeenipfniging dra.\\ings,.it is` possible to ohtziin with a wind pressure as low :is three or foin* inches, tenes that have heretofore required e Very much greater pressure This new pipe which l cell the cnlliaphone differs from the usual labial organ pipe in that, in addition to the usual slitwhieh delivers the win-,l Sheet across the mouth of the pipe, another, slit is provided parallel to the first slit anni conmiunieeting with the saine wind emily passage in the hloeli, its object heilig not onljff to add te the volume of sound het @also to provide a meer-.e of inducing' and Controlling the production of harmonie a'rertenes vastly snperier to therv elim-lied unf. the forme of harmonie bridfe seninionly need for thie purpose. greet Specification of Letters Patent,

Serial No. 711,621Y

is [he Control afforded hy this additional wind sheet that. both .slits he :nude nineh wider than would he posvfihle in n pipe hziviz'jig :i single elit, time prollueing a. iene not only ot'. greet power hut ot' e5:- treinelyv rich and brilliant timbre. lt is ohvionS that this pipe will require n very copione supply of wind and that a, 'foot of.' ample bore must he provided. This invention may beilpplied to all varieties of lahiel pipes, metal or wood, stopped (covered) or open, of any seele, having one mouth, or two, and whether blown :it high pressure or low. Owing to the extreme intenssity of the air vibration, open pipes of this kind should he tuned by ineens of zin adjustable slimjle or slife llilnewl over n. Slot in a side et the pipe :it the upper end, and not hy means of u shade applied to the top.

The drawings .show an openwood pipe about fl feet in length', pitch (l, the width. heine' 2 inehes und the depth 2j, inches., the mouth being;- ,hree sevenths its width in heifYht.

lignre l is :i front elevation, Fig. a, longitiulinnl section, and, Figi', 3 n transsfeiw Section nt. :uu-y in Fig. Q.

ln what follow/3, the alii, of the 'pipe may he eensidered as divided, or the pipe may he oonsirl'irei'l :is heim' provided with an additional dit parallel -to 'the nnlin slit. For purposei ot description, the hitter View will he adopted.

ln the drmvingge, the principal slit. is denoted by u and the supplementel slit by which ie directly in front of and parallel with the mein slit. The two slits are Senn rated hy n member e which is perforated, e shown at f, the perforation heine` indicated in l by broken lines. Air under preseure enters the foot (f and from the ehinnher e in the block y; is delivered to the slits a and sinrultgnneousl)Y und from them direeted across the mouth 7i. The upper lip 'i is ent quite sharp and the cavity j in the Crip /if extends the full internal width of the pipe indicated by the hrollen lines in l? f l.

e teutien should he given to the -a'oieing of the improved pipe in order to the heet reeulte, though tl is is ot' course of :all pipes. Few epe/in directions gli.' n for this purpeee; ent it 'may he neefnl to f ll Fig. il eepeeially to 1rittenwhereA the Supplemental or enter slit l? will be seen to be directed inwardly or in underv such wise relatively to the other slit, as to mouth. cause the tWo emerging,lr wind sheets to meet 3. A labial organ pipe having the air slightly in front of and about on a level passage which forms the Wind sheet cut with the edge of the lip. An organ builder partly in the block and ,part-ly in the cap will vary this to suit himself or any given and provided with a separat-ing member case, .as no absolute rule can be given. placed bet-Ween the cap and the block and I claim as my invention: A l perforated to allow air to enter the passage 1. A labial organ pipe having means to l in the cap from that in the block. vdivide its slit from end to endso that it l In testimony whereof, I have may discharge the air across the mouth in l name to this speoication, in the presence two parallel sheets, and1 means to supply i of two subscribing Witnesses. air under pressure simu taneously to both p f divisions of the slit. ROELM L BARRQWS" 2. A labial organ pipe having one mouth, lVitnesses: one wind inlet, and two parallel discharge i" D. B. DODGE, openings for delivering two sheets of air l Jos. E. COSTELLO.

pressure simultaneously across the signed vmy y

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