PHYSICAL AND LITERARY. 227 



to be the weight of Scotland ; whence the 

 Scotch pound is equal to 76 1 6 Troy grains, 

 or I57y ounces Troy. 



By an accurate comparifon of ftandard 

 Wfights made at London (Vid. Philofoph^ 

 Tranfaci. N^ 470.) the Averdupois pound 

 was found equal to 7000 Troy grains. 

 Therefore 



Troy Grains. 



The Troy ounce being equal to 480 

 The Scotch ounce is equal to 476 

 The Averdupois ounce is 437t 



Engllfh Inches. 



The Scotch foot is - 12-rf 



The Englifla foot is - -12 



The Scotch ell, according to the 

 flandard of Edinburgh, is e- 



qual to - - 37t-§- 



The Englifh ell is - 45 



The Engliih yard is - 36 



Englifli Feet. 



The Scotch mile contains 595" 

 The Fnglifh mile contains 5280 

 The Scotch acre - 553 ^3tI- fq^are. 

 The Engliih acre contains 43360 fquare. 



Art. 



