Repertory of Arts, Manufactures, and Agriculture: Consisting of Original Communications, Specifications of Patent Inventions ..., Volume 9T. and G. Underwood, 1798 - Industrial arts |
Other editions - View all
Common terms and phrases
acid alfo alkali alſo annealing apparatus axis becauſe boiling cafe cafk calcined carbonic acid caufe cauſe circumftances clay cloſe colour compofition confequently confiderable confifts conftruction decoction defcribed diffolved diftillation diminiſhed drachms evaporating experiments faid falt fame fcrew feems feparate fermentation ferve feven fhaft fhall fhew fhewn fhips fhould fhut fide filk fimilar firft firſt fixed fize fmall foap folutions fome fpirit ftate fteam ftill ftrand ftrong fubftances fuch fufficient fulphate of iron fuppofed furface galls gold grains inches increaſe invention itſelf laft lefs liquor logwood main pipe malt manner meaſure metal method moft moſt motion mucilage muft muriatic acid muſt neceffary nitrous acid obferved occafion ounces oxide paffing Plate pofition precipitate preffure prefs prevent procefs proportion pump purpoſe quantity raiſed reel refervoirs refiftance refpect rope ſmall ſtate thefe theſe thofe thoſe tion tube twifting ufual uſed veffel vitriolic wheel yarns
Popular passages
Page 112 - ... feems to call in queftion. I have obferved, that a mixture of phlogifticated nitrous acid with an alkali, will appear to be acid, by the teft of litmus, when other tefts, fuch as the infufion of the petals of the fcarlet rofe, of the blue iris, of...
Page 179 - We may lay it down as an incontestable axiom that, in all the operations of art and nature, nothing is created ; an equal quantity of matter exists both before and after the experiment: the quality and quantity of the elements remain precisely the same, and nothing takes place beyond changes and modifications in the combinations of these elements. Upon this principle, the whole art of performing chemical experiments depends...
Page 189 - Procure three earthen or wooden veflels of different fizes and apertures, one capable of holding two quarts, the other three or four, and the third five or fix : boil a quarter of a peck of malt for about eight or ten minutes in three pints of water; and, when a quart is poured off from the grains, let it...
Page 172 - But the beft increafe of thefe three years is low, as there are but twenty of the ninety-three trees that were not planted by me, and greater increafe is...
Page 173 - Yorklhire, which Dr. Hunter gives an account of in his edition of Evelyn's Silva, and calls it forty-eight feet round at three feet. I did not meafure it fo low; but, in 1768, I found it, at four feet, forty feet and fix inches; and, at five feet, thirty-fix feet and fix inches; and, at fix feet, thirty-two feet and pne inch.
Page 115 - ... in a mixture of vitriolic acid and water, of about the degree of acidity of vinegar ; and it may be neutralized, as it is wanted, either by means of chalk, or of the fixed or volatile alkali. But it is...
Page 171 - I panted in 1720, which has increafed in the four years fince warning, feven inches and two-tenths, and the aggregate of three oaks planted the fame year, (viz. all I meafured) amounted to but one inch yearly to each tree. In 1779 I...
Page 402 - I will take one acre of clover, which at one cutting will produce from fourteen to eighteen tons of green vegetable matter, and about three tons of lime; this, when...
Page 114 - When perfe&ly dry, put them up in glafs bottles, well corked; and, when you want to ufe them, acidulate fome water with vitriolic acid, and digeft or infufe the dry leaves in it until they give...
Page 259 - ... the difference was fo evident, that I made the two following experiments more accurately, to determine the fact. I took eleven quarts, three ounces and a half, of wort, to which I added four ounces of yeft, and fermented it in the clofe veflel for twelve days ; at the end of which time it had loft eight ounces by meafure.