Building Standards Code / American National Standards Institute / Library of Congress / Building Code / /
IndustryTerm
manufacturing / /
Organization
American National Standards Institute / Congress / Department of General Services / National Library Service for the Blind and Physically Handicapped / U.S. Access Board / California legislature / federal government / Department of Justice / International Criminal Court / Division of the State / /
Size and Spacing of Braille Characters Braille is a system of touch reading and writing used by blind persons. Embossed dots are evenly arranged in quadrangular letter spaces, called cells. A full cell is three dots high