Compare this form with 121, 123B, and 124A. AUTOMOBILES I30 AUTOMOBILES 63 HOIkSES

From '"Humaniiinf the Greater City'i Charity" by Bertrand Brown, Department of Public Charities, City of New York. 1017.

A. Comparison of the Means of Transporfation Used in the Department of Public Charities of New York City in 1913 with 1916.

1. The distinctive feature of this chart is that it is a 100% bar chart. Each row represents

100% and each figure represents 12'/^%.

2. It would be read as follows: in 1913 one out of eight, or 12V2%, of the transportation

used in the Department of Public Charities in New York City, was by automobile and the rest by horses. In 1916, four out of eight, or 50% of the transportation, was by automobile and 50% was by horses.

Number of

TRACTORS

per one thousand farm families

Number per 1000 farms

Successful Farming Families

"Heart" Farmers

u s

Farmers

Meredith Publithing Co.. Des Moines, Iowa, "Successful Farming." B, A Comparison of the Number of Tractors Per One Thousand Farm Families in Three Groups of Farmers in the United States.

1. The "heart" referred to in this chart means a group of states that form the heart of the

farming industry, as estimated by the Meredith Publishing Company.

2. The date to which this comparison applies is not definite: the sources listed for the

information given were dated 1930 and 1935.

GRAPHIC PRESENTATION

-ooo I4.59I.OOO •*" ONE MILE