18 



Q& 



150 gr. of earthy part of the 



Yorkshire stone, 



Silica - - - 



75 



Magnesia - - 



37 



Oxide of iron 



48 



Oxide of nickel 



o 





162*" 



55 gr. Bohemian 



stone. 



Earthy part. 





Silica - - - 



25 



Magnesia - - 



9i 



Oxide of iron 



23-i- 



Oxide of nickel 



H 



34 gr. malleable part. 

 Oxide of iron 374 

 Nickel - - 4 



14 gr. malleable part. 

 Oxide of iron 1 7\ 

 Nickel - - l' 



59^- 



The specific gravity of the Yorkshire stone is 3508. That 

 of the others is from 3352 to 4281. 



Extracts from the hand-bill, which was given away at 

 the time the Yorkshire stone was exhibited in London, 

 and. which is now preserved by Lady Wilson. Part is ex- 

 tracted from the Oracle of February 9, 1796, in a letter 

 to Jas. Boaden, Esq. 



The exact weight of the stone which fell, was weighed 

 on being dug up. It was by Merlin's balance 3 stone 13 

 pounds: when taken up it was warm, and smoked. A la- 

 bourer saw it coming down at the distance of about 10 yards 

 from the ground ; and, as it fell, a number of explosions 

 were heard by three men at short intervals, about as loud as 

 a pistol. At Bridlington, and at different villages, sounds 



* When there is an overplus, it is from the metallic parts absorbing oxygen 

 from the acids in the progress of analysation. 



