^8 



^ INDEX. 



HnrtJ ni'ilL A pri7.e, 183 



Hatchett on lac, 12 ; on bitumen, 



4.0 ; on magiietkul pyrites, 



Hnrc^Jngs new planet, 93, 188 

 HiirJys method oF banking itie 

 bahmce of a time-keeper, 181 

 Ne,;tp- spinning patent, C/5 



J-ltppcmtall^s patent, 9j 



Home on pithing cattle, 72 



Hvrnhlo'ver^s patent, 374 



Hicmholdt'i travels, 353 



Husbandrw State of, in Bcn- 



Hutton (Dr.) Biographical anec- 

 dotes of, 62 



Immolation, self- . Instance of, 

 ,26 

 Ince on pntiumatic medicine, 



laS 

 Incomlmstille pap.-r and cloth, 



243 

 Indian, E<^st, method of culti- 

 vating the sugar cane, 264 

 In^i[;o mill. Improved, 180 



Liund.ition of the Tyber, 1 9 1 

 Inn. Oxide of, useful as ma- 

 nure, 52 ; Mushct on, 80 

 Irvin^'i patent, 373 



jejfer.on'i letter to Saint-Fond, 



280 

 ^Mfj-'i patent, 9 j» 373 



'Juno. A new planet, ib'd 



Kcddic's patent. 



95 



2,n-. Experiments on, li 



l.itke. To prepare, from mad- 

 der, J 18 



I.ijm'ert on maritime commerce 

 of Bjnjral, 3:7 



Le.irned Societifs, 87, 183, 277, 



L.-maiilrc on mixing lime with 



gunpowder, 245 



Lester's patent, 95 



Lime. Affinity of, for carbon, 



to 



Lime, quid. Effects of, on gun* 

 powder, 245 



Literature encouiaged by the 

 emperor of Russia, 1 



Lock. Improved, 248 



Lucas's patent, 95 



3/dfWtr. Lake from, 118 



Mi'gmthal pyrites analysed, 1 33, 

 213 

 Mcic;netic experiments with a bal- 

 loon, «95. 2-3 

 Magnet itm promoted by carbon, 

 sulphur, and phosphorus, 147, 

 219 

 Mcimmalia.On a ncwgenusof,28 

 Manufactories. On disclosing 

 the processes of, 288 

 Manure for land. On, 52 

 Alaritime commerce of Bengal, 



327 

 Martinis patent, 373 



Measure. On a universal, 164 

 Measures. Patent for, 95 



Medical entomology. On, 230,344 

 Medicine, pneumatic. On, 126, 

 128 

 Meridian. On measuring the, 

 163 

 Meridian striking instrument, 191 

 Metal. Anew, 186 



Metallic salts promote vegeta- 

 tion, <5o 

 ?rLtalllc solutions. On precipi- 

 tating, 1 557 

 Mdallic sttlphurets. On, 208 

 JMitah. To separate, from gold 

 and silver, IZJ 

 Me'enrol'jgy, 96, 192, 28S, 375 

 Mddi'iv in corn. On, 320 

 Mineralogy of Shropshire, :0I, 



Mt:shet on iron, S:c. 80 



Music J ifiHruments. Patent for 



tuning, 9{ 



Natural history, 36'f 



Nickel. Character of pure, 186 

 Niloliyevitscl/s aerial voyage, 



»9.? 

 OdroH 



