Popular Science MontJily 



<^55 



Little Winston-Salem Is Our 

 Biggest Tobacco Center 



ALTHOUGH two hundred 

 . miles from the seaboard in 

 North Carolina, Winston-Salem, 

 a dual city of seventeen thou- 

 sand inhabitants, has been desig- 

 nated as a port of entry by the 

 customs officials, because its im- 

 ports of sugar, licorice and 

 tobacco are enormous. Since 

 1910 the manufacture of to- 

 br,cco products has increased 

 more than three hundred and 

 seventy per cent. Indeed, it is 

 believed that Winston-Salem 

 now leads St. Louis as the 

 chief tobacco manufactur- 

 ing city in the United 

 States. Eight days after 

 the Government had given 

 Winston-Salem a $250,000 

 post-office building, the 

 city had paid for it in 

 tobacco revenues. 



E.nqine 

 clulch ^ 



landle ' 



fShattclutcf 



Skating Along a 

 Railroad Track 



HOW would you like 

 to skate along a 

 railroad track? You can 

 do it now, thanks to an 

 invention of Dwight B. 

 McNamee, of Heman, Oklahoma. 



Mr. McNamee has devised a skate for 

 use along trackways. The four wheels of 

 the skate are provided with hubs which 

 engage with the top of a rail, and with 

 rounded flanges which hold the w^heels to 

 the track. 



You must use a supporting rod with 

 this skate. The rod has a short, 

 straight handle, from which it curves 

 forward and sideways so that 

 the roller at its end 

 along the opposite rail, 

 roller also is provided 

 flanges. 



Keep the balancing 

 rod ahead of you and 

 you will not be in any 

 danger of falling for- 

 ward as you propel 

 yourself along with 

 your free foot. 



The longitudinal shaft 

 drives two vertical screw - 

 hoists, one at each end 



The body is here shown 

 in its elevated position. 

 It has small side chutes 



runs 



The 



wdth 



This Trailer Ele- 

 vates Its Own Body 



DIFFERING from 

 previous forms of 

 elevating trailer bodies, 

 raised and lowered by 

 means of hydraulic, 

 pneumatic or mechanical means operated 

 from the pow'er of the pulling vehicle, the 

 arrangement shown in the accompanying 

 views does not require the truck to stand 

 idle during the loading and unloading 

 periods. Instead, its body can be ele- 

 vated seven feet in less than one minute 

 by means of a small one-cylinder, 

 air-cooled gasoline engine carried on 

 the trailer itself. This elevating ap- 

 paratus raises the body by means of 

 a longitudinal shaft driv- 

 ing two vertical screw 

 hoists, one at each end. 



The body is de- 

 signed for carrying 

 coal, earth, sand, 

 gravel or other 

 bulk mate rial. 

 Quick unloading 

 results in maxi- 

 mum efficiency. 



The skate nins'along the raiiroaa track. The 

 balancing rod is held ahead of the skater 



