comparative purposes is great

enough to offset the disadvantage

of not having the zero lines on the

chart.

The zinc plate for Fig. 103 was

prepared directly from typewritten

copy, with no handwork involved

except to make heavier some of

the green background lines and to

draw the actual curves themselves. loi. Comparison since 1850 of the -nt ■• • t;>- tao -i-u -1- -tu ti.

Merchant Tonnage of the United Notice m Fig. 103 that the month

Kingdom with that of the United at the left of the chart is December, States. Gross Tonnage is Given for ^nd that the point plotted in each the United States and Net Tonnage 1.-1-. 1 i 1 i> •

for the United Kingdom case lor December at the lett is ex-

The chart is arranged backwards in that it reads actly the SamC aS tllC poiut plottcd

from right to left. At first sight one thinks » i -p. i , 4. 4."L

everything is growing smaller instead of larger. lOr LUe J_yecemDer SUOWU at tnC

The different bars so closely grouped together ^jo-tit of thp nrpppdino- piirvp "Rv

are exceedingly difficult to interpret. See "gUL Ol LUe pieceuillg CUrVC. DJ

Fig- 102 repeating the last month of each

curve in this manner, the interpretation of the curves is much simplified SO that the reader can see at once what has been the tendency of the curve from December to January each year. If the December

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