ON THE INFLUENCE OF SCHOOL-BOOKS UPON EYESIGHT. 299 
No. 18. 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 Modern, with 2 point Leading. 
No. 14. 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 dimensions 
given in the typographical table. Printed from 11 
Point Old Style, with 1 Point leading. 
No. 15.* 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 Antique Old Style, with 2 point Leading. 
Oe ee 
No. 16.* 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 agreement with the requirements 
specified in the typographical table. Printed from 
Ten Point Old Style Antique, No. 7, with 2 Point 
Leading. * 
