be taken to select one which is representative, and devoid of "high peaks" or "low valleys."

3. For another method of presenting this

material, sec 114A.

Per Cent

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Leonard P Ayrcs

B. Method Developed in Washington, D. C, During the World War to Keep Track of British Ship-Building.

The blue lines going up show the new tonnage built in each three months' period. The

black lines going down show the tonnage sunk. Thus at the end of any quarter.

it was possible to ascertain the gains and losses, as well as the total remaining. One hundred per cent equals British seagoing steam vessels at the beginning of the war.

This consisted of 18.892,089 gross tons, plus 72S.500 seized from the Germans and

Austrians.

GRAPHIC PRESENTATION

I9t6 1917 I9te 1919 1920 1921 r922 1923 1924 I92S 1926 1927 1928 1929 1930 1931 i932 r933 1934 1935 r93( t937

The Magazine of Wall Street, November 20, 1937.

A. Changes in Major Connmodity Price Group in fhe United States from 1916 to November 1937.

The technique of putting the detail for the last year under a magnifying glass is good.

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WPA ,Tnd Bureau of ARricuIturnl Economics. 'Rur.nl Poverty." 1038. SCALE .7

B. Prices Paid and Prices Received by Farmers in the United States 1910-1937. For Prices Paid the Average Year August 1 910- 1 9 14 Equals 100%. For Prices Received the Average Year August 1909-1914 Equals 100%.