76 



MER 



INDEX. 



MET 



Memory, extraordinary, for calculations, vl. 6*00,. . . . Locke 

 Mendip, account of the lead mines, i. 186, Glanvil 



— of the caves about, ii. 488, Beaumont 



— see Coal Mines. 



Mendoza, Rios Jos. de, on the chief problems in nautical 

 astronomy, xviii. 9$ 



Menses, continuing to 70 years of age, vi. 55, Yonge 



Menstruum, to separate silver from copper, xvi. 696",. . Keir 

 Menzies, Arch., anatomy of the sea otter, xviii. 34 

 Mercator, Nicholas, biographical notice of, i. 69, . . Note 



— problems in navigation, ibid 



— on Cassini's method of finding the apogees, eccentricities, 



and anomalies of planets, i. 424 

 Mercator's line, the invention of Mr. Wright, iv. 68, Halley 



— chart, defended from the censure of West, xi. 696, Dunn 



— ■■■ xi. 697, Mountaine 



Mercurial level, for Davis's quadrant, viii. 26'2, Leigh 



Mercurial gage, description of Mr. Brookes's, xv. 702, Note 



Mrcury (mineral) of working the Friuli mines, i. 10, Pope 



— found at the roots of plants, i. 173, Septali 



— manner of using it, in working silver mines, i. 2.93 



— description of the Friuli mines, i. 407, Brown 



— incalescence of quicksilver with gold, ii. 267 



— of its ascent in capillary tubes, vi. 432, Jurin 



— chemical experiments on it, vii. 619, viii. 93, Boerhaave 



— experiments by Braun on the congelation of, xi. 544 



— experiments on the freezing of, xiv. 20, xv. 11, Hutchins 



— experiments on the expansion of, xv. 162, Cavallo 



— experiments on the freezing of, xv. 420, 428, Cavendish 



— history of exper. on the freezing of, xv. 431, . . Blagden 



— crystallization and adhesion of frozen, xv. 447, • . Same 



— congelation of, in England, xvi. 579, Walker 



— a new fulminating, xviii- 649, Howard 



Mercury (medicine) effect of, on a man working in the 



mines, i. 12 



— experiments of injection into the blood, iii. 436, Moulin 



— injected into the jugulars of a dog, iv. 273, Pitt 



— as a cure for hydrophobia, exper. with, viii. 69, . . James 



— dissect, of a body dead by swallowing it, viii. 80, Madden 



— ill effects of taking crude, viii. 158, Cantwell 



Mercury (Barometer) cause of its suspension at the top of a 



tube, ii. 1, Huygens; otherwise accounted for, 3, . . Note 



— cause of its suspension, ii. 44, Wallis 



— height of, in the barometer, at different elevations, iii. 



300, Halley 



— exper. on the mercurial phosphorus, v. 254, Hauksbee 



— see Barometer. 



Mercury (Planet) transit over the sun, 1690, iii. 435, 



Wurtzelbaur 



— conjunctions of with the sun, iii. 448, Halley 



— transit of, determining its orbit, vii. 70 



— transit, 1736, London, viii. 148, Graham 



■ Bonogna, viii. 149, Manfredi 



Wittemberg, ibid, Weidler 



■ London, viii 725, Bevis 



— occulted by Venus, viii. 251, Same 



— transit at Greenwich, 1743, viii. 6l3, Catlyn 



New England, 1740, viii. 713, Winthrop 



London, 1743, viii. 714, Graham 



— — — viii. 725, Bevis 



— observations of, ix. 41, Same 



— transit at Giesen, 1743, ix. 307 Gersten 



. London, 1753, x. 370, Short 



Antigua, 1753, x. 414, Shervington 



— observations on a transit, x. 426, Short 



— transit, 1743, observed at Naples, xii. 554, . . Zannoni 

 ■ ' — — Tarentum, ibid, Same 



Mercury (Planet) trans. 1743, NewEng., xii. 69 I, Winthrop 



I/69, in Pennsylvania, xiii. 83, Smith, &c. 



N.England, xiii. 93,Winthrop 



1782, Cook's Town, xv. 456, Hamilton 



Paris, xv. 553, Wallot 



xv. 652, Zach 



— 1786, Louvain, xvi. 135,. . N. Pigott 



ibid, E. Pigott 



at Dresden, xvi. 182,. . . . Koghler 



Petersburg, xvi. 183, Rumovski 



— right ascension and declination of, xvi. 292, . . Smeaton 

 Mere Diss, a metallic incrustation on substances immersed 



in the waters of, xviii. 421 Wiseman 



— analysis of the water of, xviii. 423, Hatchett 



Meridian, measure of the earth's meridian, ii. 193,. . Picard 



— choice of a place for a first meridian, ii. 236" 



— of any place, an instrument for finding, v. 129, Derham 



— of Lisbon, London, and Paris, vii. 5b, Carbone 



— measurement of, at Vienna, xii. 497, Liesganig 



— method of determining the difference of meridians, xvi. 



146, Pigott 



— the observatory of Geneva a proper place for measuring 



an arc of, xvii. 34, Pictet 



Meridian Line, on a supposed alteration of, iv. 414, Wallis 



— a new way of drawing, iv. 549, 56"8, Gray 



— division of the nautical, vi. 184, Perks 



Merret, Chr., on reuniting the separated bark of trees, i. 160 



— to prevent cherries from withering against a hot wall, ibid 



— observations on the American aloe, i. l6l 



— account of the Cornish tin mines, ii. 424 



— art of refining gold and silver, ii. 453 



— remarks on the natural history of Lincolnshire, iv. 117 

 Mersenne, Marin, biographical account of, ii. 530, . . Note 



— on Dr. Pell's idea of improv. mathematics, ibid, and 533 

 Mertans, C. de, m. d., on treatment for the scurvy, xiv. 401 

 Mesaporiti, Anthony, of a general hemorrhage, v. 248 



— case of adhesion of the intestines, v. 250 

 Mesentery, unusual rupture of, ii. 199, • • • • Swammerdam 

 Messier, Charles, course of the comet of 1764, xii. 116 



— return of the comet of 1682, xii. 263 



— solar eelipse, 1765, at Colombes, xii. 274; 1766, xii. 347 



— observations at Paris of two comets, 1766, xii. 286 



— auroras boreales observed at Paris, 1768, xii. 611 



— transit of Venus observed at Paris, 1769, xii. 664 



— various astronomical observaiions at Paris, xii. 6*82 



— course of the comet of 1771, xiii. 104 



— observation of a belt on Saturn's disc. xiv. 108 

 Metal (in general) an instrument for assaying, ii. 214, Boyle 



— exper. of fusing it with a burning glass, v. 501, Geoffroy 



— specific gravity of various rnetals, v. 698, . . Hauksbee 



— for expansion of, see Expansion. 



Metal (Chemistry) the colours of metallic particles dependent 

 on the specific gravity of each metal, xii. l6S, Delaval 



— solution of metals in the mineral acids, xv. 3-7, Kirwan 



— affinity of mineral acids to metals, xv. 336, .... Same 



— dissolution of metals in acids, xvi. 694 Keir 



— process for separating silver from copper, xvi. 69(\ Same 



— cause of the increased weight of, on calcination, xvii. 245, 



Fordyce 



— see particular Metals in their places. 



Meteor, an uncommon one in 1676, ii. 389, Wallis 



— observed at Leeds, May 17 10, v. 643, Thoresby 



— some remarkable meteors, and their cause, vi. 99, Halley 



— extraordinary lights, March 17 16, vi. 213, 226, . . Same 



— a fiery meteor in Jamaica, vi. 368, Barham 



— seen all over England, March 1719, vi. 406, Halley 



— seen at Cambridge, March 1715, vi. 477, Cote* 



