as this is one of the mirth-making features of the machine.  Use a heavy washer at the head.  The seats are regular swing boards, supported by a stout and serviceable rope.  A 3/4 -in. rope is not too heavy.  One set of ropes are passed through holes at the end of the crosspiece and knotted on top.  The other set should be provided with loops at the top and slid over the crosspiece, being held in position by spikes as shown.  This makes an easy adjustment.  Seat the heavier of the riders on the latter seat, moving it toward the center until a balance with the lighter rider is reached.  A rope tied to the crosspiece about 2 ft. from the center, for the “motive power” to grasp, completes the merry-go-round.

Put plenty of soap or grease between the crosspiece and upright.  Be sure to have room for the ropes to swing out at high speed, with no trees or buildings in the way.  The “wobble” mentioned will give an agreeable undulating motion, which adds greatly to the flying sensation.  This will be found surprisingly evident for so small a machine.  As there is no bracing, care must be taken to have the two riders sit at the same moment, or the iron bolt will be bent out of line.  If it is to be used for adults, strong clear material only should be employed.  —­Contributed by C. W. Nieman.

** How to Make and Fly a Chinese Kite [210]

The Chinese boy is not satisfied with simply holding the end of a kite string and running up and down the block or field trying to raise a heavy paper kite with a half pound of rags for a tail.  He makes a kite as light as possible without any tail which has the peculiar property of being able to move in every direction.  Sometimes an expert can make one of these kites travel across the wind for several hundred feet; in fact, I have seen boys a full block apart bring their kites together and engage

[Illustration:  Parts of a Chinese Kite]

in a combat until one of their kites floated away with a broken string, or was punctured by the swift dives of the other, and sent to earth, a wreck.

The Chinese boy makes his kite as follows: 

From a sheet of thin but tough tissue paper about 20 in. square, which he folds and cuts along the dotted line, as shown in Fig. 1, he gets a perfectly square kite having all the properties of a good flyer, light and strong.  He shapes two pieces of bamboo, one for the backbone and one for the bow.  The backbone is flat, 1/4 by 3/32 in. and 18 in. long.  This he smears along one side with common boiled rice.  Boiled rice is one of the best adhesives for use on paper that can be obtained and the Chinese have used it for centuries while we are just waking up to the fact that it makes fine photo paste.  Having placed the backbone in position, paste two triangular pieces of paper over the ends of the stick to prevent tearing.  The bow is now bent, and the lugs extending from the sides of the square paper are bent over the ends of the bow and pasted down.  If the rice is quite dry or mealy it can be smeared on and will dry almost immediately, therefore no strings are needed to hold the bow bent while the paste dries.