326 



LAND-TRANSPORT. 



¥v^. 170 sliows the mode of construction of the end-section of 

 a slide, (///) beinjj^ a platj of wrouLrlit iron, over which the 



Fig. 160. 



descendin-^- pieces sHde, and which, owing to its elasticity, 

 propels them upwards before they fall. 



Slides intended for the transport of logs must he constructed 



Fig. 170. 



^■^-^^il^M 



in a much stronger manner than those for firewood, and it is 

 then chiefly the side pieces (h and c) which must be strongly 

 supported, and logs measuring one foot and one foot two inches 

 in diameter and 50 to GO feet lon<f mav be used. 



