INDEX. 



Sailing boat, a secure one, 124 



Saint, W. Esq. on the doctrines of 

 chance, 204 



Salts, superacid and subacid, 164 



Savaresi, on metals obtained from earthy 

 substances, 367 



Saussure, Tlieodore De, on the com- 

 position of alcohol and sulphuric 

 ether, 222, 259, 521 



Scheele's discovery of oxalic acid, 14 



Scientific news, 78, 159, 2'37, .^16, 383 



Sea log, a new one, describefl, 245 



Seeds, newly discovered organ in, for 

 conveying the fertilizing fluid into the 

 ovula of vegetables, 214 

 'Sewell, Mr. 104 



Shipley, Mr. W. his floating light, cal- 

 culated to save the lives of persons 

 ■who have the misfortune to fall over- 

 board in the night from any ship, 33^ 



Simple bodies, 139 



Singer, Mr. G. his lectures on the na- 

 ture, use, and properties of air, 159 



Bkrimshire, Mr. W. jun. on the quan- 

 tity of fecula in different vaiieties of 

 the potato, 71, 182 



Smart, Mr. G. his account of some ex- 

 periments on sweeping chimneys, 

 170 



Smeaton's experiments on Saumarez's 

 log, 247, 249 



Snodgrass, Mr. his application of the 

 use of steam to warm his cotton 

 •works, 316 



Sounding machine, a new one described, 

 245 



Spherical trigonometry, see Trigonome- 

 try 



Spleen, experiments on (continued 

 from a former volume), 103 



Spring wheat, culture of, 156 



"iBtahl, on the relation of metals to 

 earthy substances, 567 



Steam used for warming buildings, 316 



Stills, improvement in, 353 



Stone called " lliuuder Pick", ex- 

 4iuii:ed, 300 



Stove for "ships, improved, 337 

 Sugar, different species of, particularly 

 that obtained from grapes, 306, 316 

 Sulphurets, metallic, 142 

 Sulphuric ether, see Ether 

 Symmer, Mr. 280 



T. 



Tar, recommended for cattle swelled by 

 eating clover, 157 



Thenard, M. 352, SG5 



Thomson, Dr. T. on oxalic acid, 1 4 

 86 , 



" Thunder Pick," the, examined, SOO 



Timekeepers, 51, 53 



Tondi's experim'ents on the metallic na- 

 ture of earths, 68, 233, 364, 367 



Tonnelier, M. on meionite, with some 

 observations on a paper, by M. Fre- 

 derick Mohs, in which this substance 

 is considered as a variety of feldspar, 

 191 



Torricellian vacuum, see Vacuum 



Trigonometry, spherical, method of 

 solving a problem in, 201 



Traill, Dr. T. description of his ex- 

 hausting machine on the principlj^i 

 of the Torricellian vacuum, 63, 161 



Turpin, P. on the organ by which the 

 fertilizing fluid is capable of being in- 

 troduced into the ovul?i of vegetai- 

 bles, 214 



Turrell, Mr. his improved mode of con- 

 structing muffl-s for chemical pur-> 

 poses, 273 



Vauqnelin's experiments on oxalic acid, 

 14— Mis analysis of some iron ores in 

 Burgundy and Franche Comte, wi'.h 

 an examination of the pig iron, bar 

 iron, and scoriae produced from them. 



Vacuum, Torricellian, an exhausting 

 machine on the principle of, 63, 161 



Vegetable.';, 



