©
Perkins School for the Blind Archive: Proposed Alphabets for the Blind, 1836
©
Perkins School for the Blind Archive: Detail, Proposed Alphabets for the Blind, 1836
©
Perkins School for the Blind Archive: Detail, Proposed Alphabets for the Blind, 1836
©
Perkins School for the Blind Archive: Detail, Proposed Alphabets for the Blind, 1836