206 



Popular Science Monthly 



RAIN . 



MTER IN ~^ 



COURSE OF 



WATER WHEN CYi 



15 TURNED 



A rectangular box containing a bed of char- 

 coal and a screen is fitted to the roof leaders 



Filtering Rainwater from the Leaders 

 Through Charcoal 



DESIGNED to be fitted to the roof 

 leaders of a country house to filter all 

 the rain water flowing into the cistern, the 

 simple filter shown in the illustration 

 above consists of a rectangular box with a 

 bed of charcoal and with a removable 

 cylinder at the top. One half of the 

 cylinder is a screen and the other half is of 

 solid galvanized iron. When the screen 

 half is at the bottom, the water flows 

 through it and thence down through the 

 charcoal bed into the pipe leading to the 

 cistern. The strainer catches the large 

 refuse, such as leaves, and the charcoal 

 removes the finer parti- 

 cles of objectionable mat- 

 ter. 



When the cylinder 

 screen is at the top the 

 water collects in the 

 solid half until it over- 

 flows and passes out 

 through a waste 

 pipe to the ground. 

 A removable lid is 

 provided so that 

 the leaves and 

 other refuse which 

 collect in the strain- 

 er may be easily 

 removed without 

 inconvenience. 



Taking Care of Honey Bees 

 During the Winter 



BEES, as a rule, take care of themselves. 

 It is their ability to do so which makes 

 them valuable to man; for the honey they 

 provide is not intended for any other use 

 than their own. But in order to help them 

 keep in such good condition that they will 

 produce honey enough for themselves and an 

 abundance to spare, it has been found ad- 

 visable to keep them warm in winter by 

 insulating their hives thoroughly, top, bot- 

 tom and on all sides. 



According to the Chief of the Bureau of 

 Entomology, the choice of insulating ma- 

 terials is of minor importance. The ma- 

 terials commonly used — shavings, sawdust,, 

 leaves and chaff — do not difi'er greatly in 

 insulating value. It is the amount of pro- 

 tection afforded which is the chief considera- 

 tion. Bee-keepers have claimed that over- 

 insulation is detrimental ; but the Chief of 

 the Bureau insists that exhaustive tests 

 have proved that it is scarcely possible to 

 provide too much protection for the bees 

 during the winter months and the spring. 



w 



an 



The tank supplying the gas for the headlights will 

 furnish fuel for the cooking, when a hot plate is used 



A Hot Plate Camp Stove for the 

 Automobile Tourist 

 HY build a fire to cook your meals 

 while you are touring the country, 

 when the tank supplying the gas for your 

 headlights will perform the trick for you? 

 The only equipment necessary, aside from 

 the tank and a match, is a hot plate stove, 

 weighing but six pounds, and small enough 

 to be packed away under the seat. When 

 the gasoline is turned on full the stove con- 

 sumes about three and one-half feet of gas 

 hour giving a flame suffi- 

 ciently intense 

 to boil a quart 

 uf water in 

 - ' three minutes. 

 The stove 

 consists of several 

 burners and a plate 

 upon which the 

 food to be cooked is 

 placed. All that is 

 necessary to pre- 

 pare the stove for 

 use is to slip the 

 rubber tubing on 

 the hot plate. 



The plate can be 

 used in the same 

 way as the small 

 electric stove. 



