5 1 2 Mifcellanea Curiofa. 

 gravity. So that an irregular piece or quan- 

 tity of thefe Bodies being offered, 'tis but 

 weighing them, and we may know their juft 

 magnitude without further trouble. 



Obfervations of the Comparative, Intenftve 

 or Specific Gravities of various Bcdits. 

 Made bj Mr. J. C 



PUmp-water, * 000 

 Cork, *37 

 Saflafras Wood, V> % 

 Juniper Wood (dry) 55$ 

 Plum-tree, (dry) 66 $ 

 Maftic, <H9 

 Santalum Citrinum, 809 



Santalum album, Ie 4* 



Santalum rubrum, II2 ° 



Ebony, 51 77 

 Lignum Rhodium, - 



Lignum Afphaltum, "79 



Aloes, "77 

 Succinum pellucidum, 



Succinum pingue, 10 ^7 



Jet, I2 33 

 The top part of a Rhinocero's horn, 1242 



The top part of an Ox horn, 1840 

 The (Blade) bone of an Ox, 



An human Calculus, 1240 



Another Calculus humanus, 1433 



Another Calculus, 1^4 

 Brimftone, fuch as commonly fold, 181 1 



Borax," *7 2 <> 



A fpotted faditions Marble, 1 822. 



AGally-Pot, ^28 



Oyfter~ 



