For International Day of Persons with Disabilities, we’re highlighting an early accessibility device in the MHS collection. Have you ever heard of a ‘noctograph’? This writing apparatus, patented in the early 19th century, was used by visually impaired individuals to easily write in a straight line. This noctograph in the MHS collection belonged to William H. Prescott (1796–1859), a historian and author distinguished for his writings about the rise and fall of Spanish Empire. Prescott was blinde