Improved Muffles for Chemical Purposes. 187 



strong legal interference in the process of malting, yet in 

 my luinible judgment, that most improvident waste of the 

 commodity and mischievous injury to the community, which 

 certainly do resul: from the practice of watering malt upon 

 the floors, furnish out a case ot national grievance, equally 

 deserving the consideration of the legislature, 



Excise-Office, 1 ondon, 

 Marcti 3, 1807. 



XXXV. u^n improved Method of making Muffles for Clie- 

 mical Purposes. By Mr. Edmund Tukrell*. 



MY LORDS AND GKNTLEMEN, 



XJ-AVIng experienced much inconvenience in the common 

 mode of moulding n)uffles on wooden blocks, for the use of 

 chemists, enameliers, &c. I beg leave to lay before your 

 praise-worthy Society, an improved method, possessing the 

 following advantages : namely, 



First, Bv this new method of moulding muffles, coarser 

 and cheaper materials may be used than can be employed in 

 the common mode; and which also gives them the valuable 

 property of resisting a greater degree of heat. 



.Secondly, That much time will be saved by this improved 

 method of manufacturing them, must be allowed, when the 

 two modes are compared. 



Thirdly, The certainty of making thtm without cracks or 

 flaws, and with coarser materials, will appear obvious, when 

 it is considered, that by this imjjrovrd method, they are 

 interncdhj moulded instead of externally ; by which means 

 the strength of the operator may have its full cfllct, in firnilv 

 pompressing the composition into the mould.. 



Whereas, in the old mode, the workman, after having 

 spread the composition upon a cloth, guessing at its thick- 

 ness, bends it over the block in the best way he can, and by 

 thus disturbing the composition, he nuisi needs make many 



• From Traitf^adiimi of the Society fur the Kruu\i)(ii;eniml of /iris, rl/otn.- 



faciires, and CuinineTn, 1>)T 1807.- ^"I'l-ii guineas were voted for this com- 



|nunicaiicui. 



cracks 



