0)1 Caudles with IVoodcn IFick'S. Jq 



Nvhen it was obferved that the verdigrife obtained was in pro- 

 portion to the copper corroded ; and what proves that this 

 method is more advantageous, is, that all the manufacturers 

 have abandoned the old method and adopted the new *, 



XII. On the Method of preparing Tallow Candles with 

 IVooden If'leis. By ProfeJJor Medicus of Heidelberg\ . 



u Jh ( 



OR feveral years paft tallow candles with wooden 

 v.icks have been prepared, in large quantities, by the caudle- 

 makers at Munich, and much uled in that neighbourhood. 

 I have burnt them during the whole winter, and never wifli 

 to ufe any other kind, as they are attended with feveral ad- 

 vantages which common tallow candles do not poflefs. They 

 afford about the fame quantity of light as a wax candle ; 

 burn alfo with great fteadinefs and uniformity, and never 

 crackle or run. The candle-makers here keep the method 

 of preparing thefe candles as fecrei jis they can ; but I fliall 

 communicate to the public what I have been able to learn 

 refpecling the procefs. 



'' The only difference between thefe candles and the 

 comnion tallow candles is, that the ground work of the 

 wick confilts of a very thin Hip of wood, bound round to a 

 conliderablc thicknefs with very fine unfpun cottony but in 

 fuch a manner that the fizc of the wick does not much ex- 

 ceed that of the wick of a conmion candle. The cotton is 

 wound round the wick by tlie hand j but in" general it is 

 dons by means of a reel, which I have not yet been able to 

 fee. The thin flips of wood arc furniflied to the candle- 

 makers by the country people, and, if wc may judge from 



• There urt no hrgc manufitftorics of vcrclij?^i-ifc at Montpeliitr ; but 

 each fairilly makes a. certain quantity, and the oiurations aie in general 

 perfomied by women- 



t From R!vms ihue Sammlioi^ OcUiioKifcbcr Sihtifun, pirt xii. 



their 



