48 



Neiv Patents lately enrolled. 



[Aug. T, 



communicated to this Society fome direc- 

 tions for dying by means of the chaya, or 

 red dye root, w/hich has been long known 

 as an aftringent. Theprocefs isdelcribed 

 as follows : — 



I. The cloth is to be well wallied, 

 and then put into an cartiien vtfitrl, 

 coiilaining iwclve ounces of chaya, or 

 red root, wiih a gallon of water, and 

 allowed to boil a fliort time over tile 

 fire. 



a. The clothisthen to be wn(l:ed inclean 

 wattrand diicd in the fuJi, and again put 

 into a pot with one ounce ot myrabolans, 

 or galls coailely powdered, and a gallon 

 of clear water, and a'lowed to boil to one 

 half; when cool, add to the mixture a 

 quarter of a pint of buffalo's inilk. The 

 cloth when well I'oaked, it to be dried in 

 the fun. 



3. Wafii the cloth again in clear cold 

 water, and dry it in the fun ; immerfe it 

 into a gallon of water, a quarter of a pint 

 of buffalo's milk, aud a qu.iiter of an 

 ounce of the powdered galls. Soak ir well 

 in this mixture, and dry it in the fun ; tiicii 

 let it be rolled up an.l beaten till it becomes 

 foft. 



4. Infufe into fix quarts of cold water 

 fix ounces of red-wood rtiavings, and allow 

 it to remain lb two days. On tiie third 

 «iay boil it down to two thirds the quan- 

 tity, when the liquor will appear of a good 

 bright red colour. Tocvery quart <f this 

 add a quarter of an ounce of powdered 

 aluni ; ibik tie cloth in it twice over, 

 drying it between each time in the 

 &ade. 



5. After three dayswadi it In clean wa- 

 ter, and half-dry it in the fun ; then im- 

 merfe the cloth into five gallons cf water 

 at the temperature of lao"' Fahrenheit, 

 adding fifty ounces of powdered chaya, 

 and «ilowing the whole to boil tor three 

 hours ; let the cloth remain iu it untd the 

 liquor is perfectly cool ; then wi ing it 

 gently, and hang it up in the fun to 

 dry. 



6. Mix together a pint meafureof frefh 

 fheep's dung, with agallo'i of cold water, 

 in which foak the clo h, and dry it in the 

 fun. 



7. Wafn the cloth well in clean water, 

 and fprcad it out in the fun on a fand 

 bank for fix hours, fprinkling it Irom 

 time to time, as it dries, with clesn water, 

 and it will befiniflied of a very fine bright 

 i:ed colour. Tiiis piocefs is for dying 4J 

 yards of broad cotton cloth. 



Mr. Machlachlan obfertcs in his com- 

 munication, that many of ihe hills in Bi- 

 har, and other parts of Indi.f, contain irrt- 

 menfe quantities of mica, la'.c, or niuf- 

 covy glafs. The nadves of India and 

 China make Cplendid laniherns, fliadcsv 

 and ornaments of if, tinged of vai ious fan- 

 ciful colours ; and it is alio tiled by theni 

 in medici.e. When calcined, it is confi- 

 dered as a fpecific in ohftinate coUf>hs and 

 conlumptions. VVhtn powdered, it ferves 

 to filver the Indian paper, uled in letter- 

 writing ; andi in fa£i, it is a:>plied to 

 numbcrlcfs puipofes. The baz.u' price of 

 tliatof tiie btft quality, is fix rupees (15s) 

 for g^lbs. avoirdupoife, and it might be 

 brought as ba!laft of fhips at a uifliiijj 

 expence. 



COLONIES AND TR.^DE. 



This Society have adjudged gold medals 

 to Mr. Cl.irke, of Montital, and Mr. 

 Schneider York, Upper Canada, an<l the 

 frvw mtdil to Mr. Daniel Mofher, Kng- 

 (fon, for the cultuje of hemp indiHcrrnt 

 parts of Canida. It fcems frorn tair and 

 repeated trials that t\\i famples of hemp 

 fent from Canada are not equal to ihit 

 culuvatcd at Peterfburgh ; but this fctitis 

 owing to bad management, and it is the 

 opinion of fume maf.ufaftmers liere, tiiat 

 when proper atlcnticr. is p:tid io the pie- 

 paraiion, the Canada henjp wll be eqin)' 

 to the beft cf that imported from Rufiia, 

 particulaily lor thepurpofeot net-making. 

 " As a proof of tiic aeneral ftrength of 

 it," fays Ml. Kick, " 1 have made thaf 

 kind of trial of it adopted by governnent, 

 and required by them in their coniricts, 

 and find that out of fixteen threads, the 

 whole, feparately, earned three quarters 

 of? hundred weigh', which is the weight 

 required by them at three feet length ; antJ 

 that filteen of the fixtcen carried one l-ain- 

 dred weight, and would have cuii.d 

 TOOie." 



NEW PATENTS LATELY ENROLLED. 



MR. barnet's (BIRMINGHAM), _/or a the metropolis thirty years ago. One of cl.c 

 Paratout. moft confidei able new in being. Atape- 



^P'HE gre.^taiid almoft univerfal demand rioG much lefs than this, few men were to 

 1. for umbrellas and parafols has len- be .'een in the ftreets with an umbrella evers 

 dtred a bufincfs, which fcarccly txiflsd in ;n wet weather j but rot*' in a rainy day 



karcelv 



