This is an admirable piece of presentation even though the lettering and drafting are not Cjuite as good as they might have been if more care had been used, though probably allowance must be

a) Character o( work; ,

Size aod type of truck

Nature of ioads

Number of cars.r

Distance per day

Number of stoos per day- DayB In Bervlce

;b) Roads and climate:

Road surface

Grades

Other street traffic Climate

c) System of operating:

Routing

Loading sod unloading. .

OverloRalog

OvernDeedlQ a

Ganire faclllUea

Care of cars

tbdlrectly as ibft Iteui afferts •distance Indirectly as,rbls llem affect^ distapce

Massachusetts Institute of Technology -- Vehicle Research

Fig, 9. The Factors Entering into the Annual Cost of made for the limit a- ^. . , V Motor Trucking Service ^.^^^ ^^ ^^^^

Ihe scheme of this convenient form of tabulation is somewhat similar ^ _ i -i

to that of Fig. 5. Here, however, the components are only named prCSSWOrk in daily without denoting their relative size or importance ...

newspaper prmtmg. When studying a number of varied components, and the relations of each to every other one, a chart like Fig. 9 is frequently of great assistance. This chart shows that certain components are affected by features which may not affect other components. We have here the total cost of motor trucking, studied according to the components of the cost and also according to the conditions which produce those component costs. We may consider either the service conditions or the cost components. We have 100 per cent in the horizontal direction and 100 per cent also in the vertical direction. The total of the components in either direction is 100 per cent, but the actual size of each is not given because the size is not known or because it may vary from time to time.