4 



THE WORLD'S ADVANCE for JULY 



fejfl 



Cover 



How to Install 

 Electric Light and 

 Motor Wiring 



Just the thing to turn to 

 when you need REAL IN- 

 FORMATION when you're 

 "on the job." Carry it In vest 

 pocket; there's more genuine 

 practical value In it than in 

 dozens of volumes back home. 

 Brimful of working information 

 for the electrician, engineer. 

 contractor, architect or central 

 station man. No other book like 

 it. A clear, complete and au- 

 thentic pocket compendium that 

 shows you just what latest approved wiring methods are and 

 HOW and WHY. 



270 pages liberally illustrated, indexed so that you get. In- 

 stantly, just the information you most need and for which 

 you'd spend hours hunting, elsewhere. Written by former 

 electrical inspector for one of the largest cities in the U. 8. 

 Describes in detail D. C. and A. C. lighting installations- 

 series, multiple and multiple-series systems three-wire cir- 

 cuits cleat wiring knob and tube wiring moulding rigid 

 and flexible conduit work sign wiring wiring of breweriei, 

 packing- houses, mills and chemical works. 



Detailed Instruction for Installation 

 Contains detailed instructions for installation, care and 

 operation of A. C. and D. C. generators, connections for 

 transformers on single and polyphase systems. A valuable 

 section on the use and installation of any type of A. C. or 

 D. C. motor, and how to make proper calculations for wiring. 

 Gives complete instructions for planning an installation, 

 supplemented with valuable data tables and working formulae. 



Send $1 TODAY. 

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This book will make your present job 



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ELECT RO>CTR~CY~PU"B.~ CO., 25~ Stroh BulTdlnfl,~Mllw"auke~e7~WJt7 



Gentlemen: Enclosed flnd $1.00 for which forward me postpaid 

 one copy of "Electric Light and Motor Wiring" Kirchgasser. 



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Lducational 

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Home 

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Modern Electricity 



By Henry and Hora, a handy man- 

 ual of electrical science for the 

 electrician, mechanic and experi- 

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 illustrations practical and reliable 

 covers electricity from A to Z. 



Cloth, sprinkled edges $1.00 



Full leather marbled edges.. $1.50 



The Modern Motor Car 



By H. P. Manly. A book 

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 all parts of an automobile, 

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 Shows more than 400 troubles 

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 their remedy. 512 pages. 217 

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Practical Compend of 

 Electricity 



A handy book for the elec- 

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flexible cover $2.50 



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Practical Drawing 



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 PRACTICAL COURSES OF STUDY 



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