JAN. FEB. MAR. APR. MAY JUNE JU 



Figure 5."Rescaling of the graph shown in figure 4 to deepen the curve and re- 

 placing the symbols with easy-to-follow patterns on the curve have produced a 

 markedly improved illustration. (Drawn by E. W. Simpson.) 



Rescaling enables you to transform a horizontal graph 

 or chart into a vertical one. Thus, you avoid the awkward 

 situation in which the reader must turn the publication on 

 its side to see the illustration. 



Scales of distance or size on illustrations change with 

 reduction. Errors can be avoided if you indicate the scale 

 of measurement on the graph, as commonly used in map«, as 



I 



10 



20 



read 



1 mm. 



On photomicrographs, a scale nnight 

 or , 1^ . 



11 



