ON THE INFLUENCE OF SCHOOL-BOOKS UPON EYESIGHT. 315 
No. 138. OVER TWELVE. 
This type is suitable in size for books intended for 
practised readers over twelve years old. The size of 
the letters is in conformity with the smallest dimen- 
sions given in the typographical table. Printed from 
Ten Point Haddon Modern with 2 point Leading, lent 
by Messrs. John Haddon & Co. 
No. 14. OVER TWELVE. 
This type is the smallest suitable in size for books 
intended for practised readers over twelve years old. 
The size of the letters is in conformity with the 
dimensions given in the typographical table. Printed 
from 11 Point Old Style, No. 4, with 1 Point leading, 
lent by Messrs Miller and Richard. 
No. 15. OVER TWELVE. 
This type is the smallest suitable in size for books intended 
for practised readers over twelve years old. The size of the 
letters is in agreement with the requirements specified in 
the typographical table. Printed from Ten Point Large 
Face with 2 Point Leading, lent by Messrs. R. H. Stevens 
& Co. 
