Page:Popular Science Monthly Volume 88.djvu/860

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��Popular Science Monthly

���travels only 1087 feet a sec- ond. Multiply 1087 by the number of seconds during the interval between the flash and the thunder and the re- sult is the distance between you and the storm. As a rule, from twelve to fifteen miles is the greatest distance thunder can be heard.

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��This motorcycle owner finds it possible to save money by delivering furniture on a side-car chassis

��Moving Furniture with a Motorcycle

THE wide range of usefulness of the motorcycle is shown in its utiliza- tion for commercial purposes. A furni- ture dealer in Westerley, Rhode Island, has found that he can make deliveries on a side-car as efliciently and more economically than by the horse and wagon heretofore used.

Upon a side-car chassis, he con- structed a small van which can be ex- tended when needed to a length of eight feet. Side boards are added to this, so that a large load of furniture can be carried. The motorcycle in the photo- graph carries upon its side- car two sofas, one large and one small, one upholstered and one plain rocker and two upholstered straight-back chairs. This load is handled with ease in spite of its bulk and weight.

��Locating a Thunderstorm

WHEN you see a flash of lightning, count the seconds before it thunders and you can tell how far away the storm is. Since light travels 186,000 miles a second, we may for all practi- cal purposes regard ourselves as seeing the lighting the instant it flashes. But sound

��Stores on Wheels DAYTON woman who conducts a tobacco and confectionery shop has insti- tuted a system of traveling stores that has served to in- crease her business to an appreciable extent. The traveling stores are in charge of small boys, but they are so arranged that the business is carried on in a systematic manner.

Each store is a wagon — a two-wheeled cart to be exact — and the goods are pro- tected from the elements and the dust by glass covers. The carts are, in fact, traveling show-cases, and a full assort- ment of goods is carried at all times. An interesting and business-like feature is the special compartment for a cash register, which makes the outfit com- plete.

���An enterprising woman has been able to increase her business by bringing her wares to the customer

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