18 TIN MINING IN PERAK. 
EXPLANATION OF PLATE 4. 
Diagram showing the annual output of tin from the State of Perak 
from the year 1874 to the year 1892. A indicates the export from the 
Kuala Kangsar district. The dotted line B represents the output of the 
Kinta district. The line C, that of the Larut district, and the line D the 
export from the whole State. E represents the mean annual export. 
EXPLANATION (OF PLATE vs: 
Diagram representing the total output of tin for the 19 years from 
1874 to 1892 of the whole State of Perak, and the proportional output 
of Larut, Kinta, and the other mining districts, on a scale of one-fifth 
of a square inch to 10,000 pikuls. 
