PHENOMENA OF THE UNIVERSE. 135 



Chrystal in the lump, 2 dwt. 18 gr., in powder, 1 dvvt. 

 20 gr. 



Red sandal in the lump, 1 dwt. 5 gr., in powder, 



16J gr. 



The wood of the oak in the lump, 19^ gr., in ashes, 1 dwt. 

 2gr. 



But that the ratios of powder prest and not prest may be 

 the better understood, and that according to the difference 

 of the bodies, I have taken the weight of roses in powder, 

 since it could not be taken into the table in the lump : that 

 gave in powder not prest, 7 gr., in powder prest, 22 gr., but 

 at the same time in the wood of the tried red sandal, red 

 sandal in powder not prest, 10 gr., prest, 16|, so that powder 

 of rose is much lighter than that of sandal if not prest, 

 heavier if prest. I have also taken, as a supplement to the 

 former table, the ratios of powder in some examples from 

 flowers, herbs, and seeds (for the dimension of roots could 

 not be cubic), for an example of the rest in their own 

 species ; and I find that the powder of rose-flower, as afore 

 said, gives 22 gr., of sweet marjoram, 23, of sweet fennel, 

 1 dwt. 3^ gr. I have taken also in powders the weight of 

 other bodies which could not have been taken into the table, 

 as of white sand. This gave 1 dwt. 20 gr.; of common salt, 

 1 dwt. 10 gr. ; of sugar, 1 dwt. 2| gr.; of myrrh, 1 dwt.; 

 of benjamin, 1 dwt. In this same table you may see 

 that sulphur, in the lump, yields 2 dwt. 2 gr., in chymic 

 oil, 1 dwt. 18 gr.; but vitriol in the body, 1 dwt. 22 gr., in 

 oil, 1 dwt. 21 gr. : wine in the body, 1 dwt. 2 gr., and dis 

 tilled 22 gr.: vinegar in the body, 1 dwt. 2 gr., distilled, 

 1 gr. 1 dwt. 



CAUTIONS. 



When we speak of weight in the body, and in the powder, 

 we do not understand it of the same individual, but of the 

 body and powder of the same species contained within the 

 same tabular measure. 



For if the wood of the oak be taken and at the same time 

 the wood in the individual be reduced to ashes; it both 

 loses a great part of its weight, and the ashes do not by a 

 considerable proportion fill the measure of the wood. 



The method of pulverization has considerable influence 

 with respect to the opening or expanding the body. For 

 there is one ratio of powder which is produced by simple 

 bruising or filing, another of that which is produced by 

 distillation as of sublimate; another of that which is pro- 



