,1 This Day was published, In Folio, Price 3?. 



^ V. METEOROLOGIST'S ANNUAL ASSISTANT IN KEEP- 

 ; NG A DIARY OF THE WEATHER; or. Register of the State 

 Barometer, Thermometer, Wind, &c. and Fall of Rain. 

 London: Printed for Robert Baldwin, 47, Paternpster-Rovv. 



NEW- PHILOSOPHICAL JOURNAL, 



; ist of January will be published, No. I. Price 2S. 6d. and continued 



Monthly, 

 INALS OF MECHANICAL PHILOSOPHY, CHEiMISTRY, 

 AGRICULTURE, AND THE ARTS. 



By THOMAS THOMSON, M.D. 



. L. and E. Fellow of the Linnsan Society, of the Geological Society, 

 Wernerian Natural History Society, and of the Imperial Chirurgo- 

 ,;al Academy of Petersburgh. 



idon: Printed for Robert Baldwin, 47, Paternos'er Row, to whom 

 V lunications may be addressed. Sold also by William Blackwood. 

 Ifurgh • John Gumming, Dublin} and -by all the principal Booksellera 

 Uniccd Kingdom. 



ENGRAVINGS. 



rXXVIII. Mr.DoNKiN's Tachometer. — Mr.ALLAs'sMr^thematlcal 



!r Engine A 410 Plate of Mr. Locschman's Patent Piano-Forte, 



-J Liston's Patent Eubarmonic Organ.— A Plate to illustrat- Mr. 



. Paper on the Electricity of Minerals.— Mr. Walker's improved 



e^er— Mr. Moult's Filtering Apparatus.— Mr.SMiTH's Method of 



r a Horfe fallen in the Shafts of a loaded Cart.— Mr. John Taylor s 



'»auster for Mines.— A Representation of the Comet now visible in 



^'iior— Sir How*KD Douglas's P.itent Rdkcting Semicircle.— 



iicd Map to illubtr,ue Dr. Campbell's Paper on the inferior Strata 



iZarth occurring in Lancashire— Mr. Sadlek'3 Apparatus tor 



'. of Lead.— A Plate to ilUisirate Mr. William Smith's and Mr. 



■'. Martin's Reports on the State of the Collieries at and near Nail- 



■omcrsetshire.— Mr. Sadler's Apparatus for Smelting ot Lead.— 



■ to illustrate the different Theories of Arches or Vaults,and of Domes, 



XXXiX. Mii.STEBVENs'8 Ncw LevelHng-Staff.— A Map illustrating 



at Derbyshire De.nuclation.— .'i Quarto Plate to illustrate the Opti- 



lument' called the Diacatoptron.— A Plate of Mr. Stukvens s ■ 



Ince for freeing Water-pi'-es from Air: engraved by Mr. i'oRTr.R.— 



bAN's improved Reflecting Circle.— i^lr. Vv'ood's mclosed Grind- 



. Pointing Needles, a.-d Mr. Weivsvuh's Method of cnrrying oft 



tomBoilers.— Mr. Brunton's improved Pump for raising v} ater 



bafts or Pits are sinking.— JMr. Ho dgson's improved Manners 



i for correcting the Magi.ctic Variation'^.— A Quvirto coloured 1 laic 



ate the Geology of Part of the Vicinity of Dublin. 



;XL. A Plate to illustrate the Foundation ofMr. William Jonis's 

 ''iryCorn Kick. — Mr. Stephens's Method (-i dividing Bricks.— 

 »f Mr William Jones's temporary Corn Kick. — Mr. Vv autbll's 

 ■ment on the Acorn Dibble— A Plate to illustrate Mr. Tawney's 

 , iirashing Machii.e.— Two Octavo Plates descriptive of a N.w Ma- 

 ine I -r Pumping Water.— Two I'latca dctciiptivc of the Muscular INIo- 

 m of Snakci. 



