Scientific American Volume 88 Number 16 (April 1903) . ELECTB1L TESTING If you wish to know the properties of any electricalinstruments, materials or apparatus, the utility of aninvention or the practicability of an idea, tests by usmight be of great value to you. NEW YORK LABORATORY, LAMP TESTING BUREAU8th Floor. No. 14 Jay Street, New York $1 YEARLY FOR REPAIRS It has been found that it coststrill* less th an $1 per year to keour HoMliiir KnglncM inn-pait. That BpM- their superior make WELL DRILLINGMachines. ...itch cheaper thai) steam. Both friction l geareil hoist fi tolftOh. p. 1 —* II -
Scientific American Volume 88 Number 16 (April 1903) . ELECTB1L TESTING If you wish to know the properties of any electricalinstruments, materials or apparatus, the utility of aninvention or the practicability of an idea, tests by usmight be of great value to you. NEW YORK LABORATORY, LAMP TESTING BUREAU8th Floor. No. 14 Jay Street, New York $1 YEARLY FOR REPAIRS It has been found that it coststrill* less th an $1 per year to keour HoMliiir KnglncM inn-pait. That BpM- their superior make WELL DRILLINGMachines. ...itch cheaper thai) steam. Both friction l geareil hoist fi tolftOh. p. 1 —* II - ?--? - . 3i*h^il Weber Oas & Gasoline Hogine Co., P. O. Box 1114-a, Kansas City, Over 70 sizes and styles, for drilling either deep orshallow wells in any Kind of soil or rock Mountedon wheels or on Bills. With engines or norse , simple and durable. Any mechanic ca-operate them easily. Send for catalog. WILLIAMS BROS., Ithaca, N. Y.
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