7'he Sixth VoluKC of the PbilofophicaJ Magazine being tww corn- 

 pitied, Gentlemen dejircm of having "juhak Stis may he fupplicd, o% 

 application to Mejfn. Ricbardfons, Coruhill, or to any of the Book- 

 fellers. 



This Volume is illuftratcd with Engravings of the following Sub- 

 }e&ts, by Mr. Lowry, executed in fuch a mafterl)' Manner as, 

 we can fay with confidence, ha;3 never been equalled in any other 

 periodical Publication, viz. 



Reprefentation of a remarkable Ele^rlc Phenomenon obferved 



in a Thunder-Cloud. 

 Annerican Elks. 



An improved 40 Gallon Still, which may be charged and emp- 

 tied upwards of Seventy Times in 24 Hours,, 

 An Improved Still, which, even pn a large Scale, may bs 



charged and run off Four Hundred and Eighty Times 



ever)' Twenty-four Hours. 

 I'he Urceola Elaliica, or Caout-chouc Vina of Sumatra and 



Pullo-pliiang. 

 Mr. Rodman's newly invented Trepanning Inftrumcnt. 

 Mr. Collibr's Filtering Machines. 

 The Mus Burfarlus, 

 A Plate illjftrating certain Phenomena obferved in the A'u- 



Vault of the Furnaces of the Devon Iron-Works, 

 An Air and a Water- Vault for equalifmg the Difcharge of Air 



into a Blad-Furnace. 



1^*^ Communications for this Work, addreiTed to Meffrs. Ri- 

 cbardfons, Cornhill, will meet with every attentiou. 



In the Prefs, in great fonvardnefs, and fpcedily will ht puhl'ifbtd. 



In Two handjome Volumes Oftavo, 



lUuftrated with Fifteen Plates, engraved in a fuperior Style 



by LOWRY, 



A MANUAL of a COURSE of CHEMISTRY; or, A Serie* 

 of Experiments and lUuftrations wliich ought to foim a com- 

 plete Courfe of that Science. 



Tranflated from the French of E.l. B. BouiLlon-L AG range, 

 Profeflbr in the Central Schools of Paris and in the School of 



Pharmacy, Member of the Philora«tic Society, of the Medical 



Societies of Paris and of Bruffel?, and Preparcr-gcneral at the 



Polytechnic School, &c. 



London ; Printed for J. Cutbell, Holfcorn j and Veroor and 

 Mood, Poultry. 



