Popular Science Monthly 



Vertical adjusting bars 



5quare driving shaft 



831 



and of the vehicle with which he collided. 

 Side of road on which he was traveling 

 before the accident happened and the 

 direction he was going. 



The names and addresses of bystanders 

 who witnessed the accident should 

 betaken. 



Particulars of the manner in which 

 the person with whom he collided 

 eater was driving should also be as- 

 certained. 



High-speed shaft for 

 grinding or buffing 

 wheels 



DRIVING ARM 



The motor is carried on a 

 base plate. The crank 

 arm slides up or down on 

 the two vertical rods 



ordinary lighting 

 circuit. 



The base is provided 

 with clamps for hold- 

 ing utensils usually 

 furnished with table- driving arm 

 clamps so that practi- 

 cally any utensil, no matter how 

 awkward its construction may be, 

 may be operated by the device. 



The old saying " a child can 

 do it " is especially applicable 

 here. 



The Automobile Driver Must Know 

 What to Do in Case of Accident 



IN case of accident, a chauffeur or auto- 

 mobile driver should stop and 

 note the following facts: 



The speed at which he is traveling. 



The exact width of the road and 

 the condition of its surface. 



What signs he gave of his ap- 

 proach; for instance, horn, bell, 

 voice, etc. 



If after dark, whether his lamps 

 are burning in accordance with 

 regulations. 



The number and description of 

 the other vehicle. 



Whether the other was on the 

 proper side of the road or not, and 

 what light or lights were showing. 



Measurements of wheel tracks 

 from sides of road, both of his car 



How the "Ship of the Desert" 



Is Anchored When the 



Caravan Rests 



BECAUSE of its peculiar 

 swaying motion in walking, 

 camel has been called the 

 "ship of the desert." This 

 title may also have some 

 reference to the extreme 

 stupidity and passivity of 

 the animal, which submits 

 to great loads, which it will 

 often carry for days at a time 

 without stopping for 

 food or drink, with no 

 more urging than a ship 

 would require from the 

 hands of its pilot. 



The manner in which 

 the drivers hobble the 

 camels when they stop 

 for a rest is interesting. 

 They do not depend 

 upon stakes driven in 

 the deep, yielding sand, but simply double 

 back and tie one of the forelegs of the 

 animal, so that it can lie down or rise up 

 but cannot move from the spot. 



The ice cream freezer may 

 be driven either by the 

 chuck or the crank arm 



A caravan at rest. The camel's foreleg is tied back so that 

 it can lie down or rise up but cannot move from the spot 



