Popular Science Monthly
��757
��Converting a Motor- Cycle Into a Tricycle
M O T O R
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��cycle may be easily transformed into a motor-tri- cycle, by the use of a patented axle which is attached by lugs to the low- er end of the frame. On the upper end of the frame i s bolted a spring, to which are at- tached two uprights for the axle. By this means the substitute axle is securely fixed to the motor-cycle frame. A belt- drive from the engine transmits the power to the two rear wheels.
Rough on the Hen — But Useful
N order that the poultry breeder may identify the hens which have a propensity to enter the nest to set need- lessly, a valve Con- taining ink or liquid dye is placed at the opening of the nest. When a hen enters the box containing the nest, a trap-floor drops, pulling a string which opens the valve, thus allowing some of the marking fluid to fall on the hen's back.
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��To Keep Your Foot Always on the Accelerator-Pedal
O provide a safe and com- fortable rest for an automobile driver's foot so that he may keep his foot in the proper position near the accelerat- or-pedal, a rest has been invented, which consists of a tubular piece of metal to be bolted to the floor at the desired spot. On one side of the rest is attached an upright piece of metal, which acts as a guide to prevent the foot from slipping in an emergency. The rest fits directly under the arch of the shoe.
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��A Single-Service Shaving Brush SANITARY
���shaving brush w h i c h m a y b e thrown away after having been used once is made of a pad of sponge or antiseptic cotton covered with a flexible material such as gauze or cheesecloth. This brush is impregnated with a sufficient quantity of powdered soap to lather the face. The brush is adapted to be made in large quantities at a very low cost, so that it may be thrown away after every shave.
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��Adjusting the Big Shoe-Stand to the Little Boy O enable small
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��children to have their shoes polished without difficulty, an in- ventor has made a pair of substitute foot rests for a polishing stand. These rests may be easily attached to the stand, and are so designed that they will accommodate any size of child's shoe. A pair of heel and toe clamps are attached to the shoe plate and are connected by means of a coiled spring.
Finger-Holds for Your Slippery Bath-Tub
SOME difficulty is often exper- ienced, especially by invalids, aged people and chil- dren, in seating themselves in the modern enamel or porcelain bath tubs. The surfaces are naturally slippery, and this difficulty is mcreased by the presence of water and soap. An inventor who must have slii)ped has provided gripping surfaces under the rolled edges of the tub, so that the bather may easily change his position.
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