SPECIALIZING TRANSPORTATION EQl II'MENT 



65 



As explanatory of this curve it may be noted that previous to 1910 

 very few cars and no trucks were purchased. From 1910 to 1913 

 various types of equipment were placed in service largely upon an 

 experimental basis. The results of these experimental installations 

 were so favorable that from 1913 to 1919 the growth was very rapid 



Fig. 18 — Rear View of Latest Type 2-Ton Construction Truck Showing Winch 

 Below Cab Window. Generous Clear Body Platform Space is Evident 



due to superseding the large number of horse-drawn trucks with motor 

 vehicles as well as providing additional motor vehicles to keep pace 

 with the growth of the telephone industry. From 1919 to 1922 the 

 slope of the curve indicates a slow, steady growth which corresponds 



