I 



SILVER COINS. 403 



9. A Dutch giiilder, dated 1791, Obverse, the arms of the Dutch gnider : 



Silver " ' 

 per I. 



Republic, with the words, Mo. Arg. Ord. Feed. Belg. Holl. ^'''■'''" ^^' """"^ 



Reverse, a female figure leaning on a pillow, and holding a 

 spear. Inscription : Hanc tuemnr, hac nitimnr. It weighed 

 163.93 grains. It was brought from Holland by William Sligo, 

 Esq,, from whom I got it for analysis. 



Muriate of silver, 198.9O gr.rr 150,37 silver 



Copper 10.72 



Gold .06 



Loss ....f 2.78 



16"3.93 



10. A Russian piece of 15 copecs, dated 1789. Oitier^e, Russian coin : 

 the head of Catharine II. with the usual tit;e. Reverse, the f '■^' ^' ^'^I'P^'^ 

 arras of Russia, with the tigares 15. It weighed 5^.97 grains. 



It was brought from Russia by Mr. Harchett, from whom I 

 got it for the purpose of analysis. 



Muriate of silver, 55-97 gr. =40.04 silver 



Copper 1 1,39 



Loss 1 .04 



In this coin thgre was not the smallest trace of gold to be 

 detected. 



11. A Scotch coin of Charles I. Obverse, the head of the Scotch 40 shil- 

 king, with the number XL. (40 shillings Scotch). I"scrip- q"| gu^^gj. jg 

 tion : Car. D. G. Scot. Aug. Fr. et Hib. R. Reverse, a this- copper 1 . 



tie with a crown, and the motto, Salus Reipubliccc Siiprema 

 Lex. It weighed 27.05 grains. Its specific gravity was 10.000. 



Muriate of silver, .33.02 gr. =24.96 silver 



Copper 1 .go 



Loss 0.19 



27.05 



This coin was found in digging the foundation of one of the 

 houses in the new town of Edinburgh by a common mason, 

 who brought it to me. 



Fff2 12. A 



