. Journal of electricity. ly operated, do not keepengine running continuously. It is better to chargebatteries several hours daily. An overheated enginemakes a bad impression. 6. Use cards to record names of those who evi-dence an interest. Such names are a valuable asset. 7. Some railroads permit exhibit material to beshipped free of charge back to original shipping a certificate from secretary of Fair and present it with bill of lading to traffic man who will make ad-justment. 8. AND ADVERTISE, ADVERTISE. A CROWD GATHERS every half hour to watchthe demonstration of Hoover vacuum cl
. Journal of electricity. ly operated, do not keepengine running continuously. It is better to chargebatteries several hours daily. An overheated enginemakes a bad impression. 6. Use cards to record names of those who evi-dence an interest. Such names are a valuable asset. 7. Some railroads permit exhibit material to beshipped free of charge back to original shipping a certificate from secretary of Fair and present it with bill of lading to traffic man who will make ad-justment. 8. AND ADVERTISE, ADVERTISE. A CROWD GATHERS every half hour to watchthe demonstration of Hoover vacuum cleaners whichis going on inside this window. The store, which isthat of the Waterhouse Company on lower Marketstreet, San Francisco, is well located, with foot passen-gers continually passing. That is, they continue pass-ing—until they are arrested by the sound of a voicewhich seems to come mysteriously from above theirheads, and the sight of a vacuum cleaner being dem-onstrated. The demonstrator not only carries out the. There is a demonstration going on inside various operations involved, but at the same time ex-plains to the gathered onlookers the superiorities ofthe Hoover sweeper. Her voice is transmitted to themthrough a speaking tube, emerging at the phonograph,horn which is here to be seen at the right of the pic-ture. To complete the display, a small transparencytoward the front of the window advertises the cleaner,the light which illuminates it flashing off and on peri-odically. The demonstration has attracted consider-able attention, and some of the spectators are likelyto be in the position of the Denver woman in the re-cent campaign for the signing of Food Pledges, whowas found to have confused the name of the nationalfood administrator, Herbert C. Hoover, with that ofthe much advertised electric sweeper. 142 JOURNAL OF ELECTRICITY [Vol. 40—No. 3 A WOODEN CARD is the medium upon whichthis very simple and artistic Japanese landscape hasbeen printed. The use of th
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Keywords: ., bookcentury1900, bookdecade1910, bookidjo, booksubjectelectricity
