242 



Popular Science Monthly 



A Soap That Blues the Clotnes 

 While Lathering Them 



AN Englishman' has patented a 

 u new laundry soap which he 

 claims will blue the clothes while 

 lathering them for washing. It con- 

 tains tallow, caustic soda, sodium 

 thio-sulphate and a suitable dye 

 pigment. 



The question arises as to whether 

 or not articles requiring more soaping 

 than others will receive more than 

 the desired amount of bluing, and 

 whether the subsequent rinsings will 

 remove the coloring obtained in the 

 rubbing process. 



I 



The lamp is connected with batteries secured 

 to the harness saddle or to a riding saddle 



An Electric Headlight for the 

 Up-to-Date Horse 



OLD Dobbin Is becoming up-to-date, or 

 seems to be making an effort to do so 

 in order to keep up with the automobile. , 

 He is now wearing an electric headlight, 

 which lets an on-coming vehicle know that 

 he is lumbering along. For this he is 

 indebted to William M. Cloninger, of Paris, 

 Arkansas, who has invented the headlight 

 shown in the illustration. The lamp is con- 

 nected with batteries secured to the saddle 

 of the harness or to a riding saddle for 

 horseback riding. It throws the light on 

 the roadway ahead and thus helps to avoid 

 accidents. 



Horses are apt to be very much like 

 people as to skittishness or steadiness of 

 nerve in the dark, and it will be found much 

 safer to drive a nervous horse over a well- 

 lighted pathway than it would be to coax 

 him along a dark road at night. 



The lamp is provided with a reflector 

 which has a double convex lens and is a 

 part of a hollow post through which the 

 conducting wire is lead. This post is 

 riveted at its lower end to a curved metallic 

 base which is secured to the upper part of 

 the bridle. The lamp may be detached 

 when desired and used as a hand lamp 

 around the stable, the hollow post portion 

 serving as a handle. 



Keeping Hungry Rats and 

 Rabbits Out of Sewers 



T has recently been discovered 

 that such animals as rabbits and 

 field rats are the cause of much 

 trouble in sewers of the smaller 

 towns. They search sewers for food. 

 Prompted by this discovery a manu- 

 facturer is now placing on the market 

 a protector which will not only keep 

 out any inquiring animal, but which will 

 also allow sewerage water to discharge just 

 as freely as ever. His device consists of a 

 heavy perforated steel cover, the weight of 

 which is sufficient to keep it closed against 

 an animal when the sewerage discharge is 

 small enough to pass through the perfora- 

 tions in the cover. But if at any time the 

 discharge becomes heavy, the cover will be 

 forced upward on its hinges by the water 

 and a greater discharge area will be 

 obtained. In this case the force of the 

 water itself will keep out the rats. 



The drain is kept 

 in place by anchor 

 rods on each side 



