Library Collections: Visual Still: Enlargement

Chart Showing The Distribution By Age And Sex Of Blindness, Explanation



Visual Still Information

Title: Chart Showing The Distribution By Age And Sex Of Blindness, Explanation
From: Statistical Atlas Of The United States Based On The Results Of The Ninth Census 1870 With Contributions From Many Eminent Men Of Science And Several Departments Of The Government
Original caption: Explanation:

The total number of BLIND in each state as reported in the census is reduced to thousandths, and the number of thousandths of each sex, in each decade of life, is represented by the distance measured on the horizontal lines, severally, from the perpendicular base line.

The males are on the left of the base line, and the females on the right.

The lowest horizontal line represents the first decade, under ten years of age, and the highest over one hundred years.

The sex which preponderates is shaded.
Creator: n/a
Date: 1874
Publisher: Julius Bien, Lith., New York
Source: Library of Congress