384 



PARKS 



give a chance for the toboggan to go over the sides. (9) After leaving the 

 wooden slide there should be a runway clear of trees, poles, fences, etc. 

 (10) To prepare the ice, fill the chute with snow and beat it down firmly 

 until a layer about two inches thick is formed in the bottom. If the tem- 

 perature is favorable this should be sprinkled until it forms a keen icy 

 surface, (n) Keep the ice in the chute from becoming worn. If holes form 

 in the ice, they may be patched with snow sprinkled until it forms a slush, 

 and beaten smoothly into the holes. (12) If the slide is too icy-- therefore 

 too speedy mix equal parts of sawdust and sand and spread to slow speed. 

 The Manchester, New Hampshire, Park and Playground Commission 

 has constructed a very fast slide with two parallel chutes, which has proved 

 satisfactory. The slide is built of planed spruce boards in sections ten feet 

 long, each length being in the shape of a trough; the inside width of each 

 chute is nineteen and one-half inches at the bottom and thirty inches at 

 the top, the side planks being twelve inches wide and set at an angle of 



JTETAILtD CROSS SECTION 



KNOCK-DOWN 

 SLED SLIDE 



IX P. W. -pL/,YiROUNX> 



PLATE No. 177. DESIGN OF THE KNOCKDOWN SLED SLIDE 



Used for winter play on the public playgrounds conducted by the Extension Department of the Milwaukee 

 Public School System, Milwaukee, Wisconsin. 



