Money Prizes for Motorcyclists 



Send Us Your Kinks 



IF you are a motorcyclist, if you have 

 devised simple ways of making repairs, 

 if you have improved your machine 

 in any way, this will interest you. 



The Popular Science Monthly of- 

 fers a first prize of f>2^, a second prize of 

 5^15 and a third prize of ^10 for articles 

 in wliich motorcyclists will describe and 

 illustrate the methods which they have 

 successfully employed for overcoming 

 trouble, for making quick repairs by the 

 roadside or more difficult repairs in the 

 shop, or for making attachments whereb}' 

 the use of the motorcycle has been 

 broadened. 



Even Though You Don't Win a 

 Prize It's Worth While 



The three prizes will be awarded by 

 the editors- of the Popular SciencI': 

 Monthly in the order of merit. What 

 is more, even though your article may 

 not win a prize, the editors may buy it 

 at the usual rates, because it is so good. 



A grease-gun made by twisting a 

 piece of paper into a cone. Hard 

 grease is placed in the cone and 

 simply squeezed out through the 

 small end whenever it is wanted 



There are no limitations to this prize 

 offer. We don't care for fine phrasing, 

 but we do care for good mechanical ideas. 

 Rough pencil drawings or photographs 

 will do for illustrations. 



]\ 



^■* a^-v ,i?W 



This sidecar was made out of 

 one wheel of an old bicycle, a 

 few boards and some bar-iron 



Here's What We Want 



To give you ^ 



an idea of the 

 kind of mate- 

 rial that will 

 be welcomed, 

 consider the 

 two ideas il- 

 lustrated on 

 this page. The 

 sidecar illus- 

 t ra ted was 

 made from 

 one wheel of 

 an old bicycle, 

 some boards 

 and b a r - 

 iron. The grease-gun is merely a cone 

 of paper which is filled with hard grease 

 out of which the lubricant can be squeezed 

 as it is wanted. 



Follow These Rules 



The following conditions are to be ob- 

 served: 



(1) Articles must be written on one side of 



the sheet only. 



(2) Write your name and address in the up- 



per right-hand corner of the first sheet. 



(3) Enclose postage for the return of the 



manuscript. 



(4) Don't send in articles on ideas which 



have already been published. 



(5) Don't send paper ideas — things that you 



haven't actually done yourself. 



(6) Address the envelopes containing arti- 



cles to 



"Motorcycle Contest Editor" 



Popt LAR Science Monihly 

 239 Fourth Ave., New York City 



The contest will close on December 

 31st, 1916. 



The money for the prizes will be paid 

 promptly after the awards have been 

 made. 



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