Page:Amazing Stories Volume 01 Number 03.djvu/2

and ELECTRICAL STUDENTS I- LiVon can use this marvelous 1 '2sjk for solving your problems in f flee of electricity including Motor ■ * arters and Stnrting BnrLCs, Overload iiid Underload Release Boxes, Rever- aible Types, Elevator Controllers, Tank Controllers, Starters for Pi r -ess Motors, Automatic ContraHers, iable Field Type, Controllers for ^ :ne Locomotive, Street Car Control- lers, Connections for Reversing Ss I "itches. Motor and Dynamo Rules, "j^'jjles for Speed Regulation, Conncc- «SK- ■! for (nduction Motors and Start- ™& .Deltai and Star Connections, Con- ions ior Auto Transformers, and isfprmers for Lightning and Power ^ses. „' you ere interested in calculation can find plenty of it in the various ■k on Simple Electrical Mathemat- Eleciricfll Units, Electrical Con- ■ions, Cnlculatioo of Unknown Re- ...nces. Calculation of Current in .inches of Parallel Circuits, Calcu- tion of Weight of Wire, Wire Gauge !4,.. Ics, Orm's Law, Watt's Law, Infor- gt; ilion regarding Wire used for Elec- rrical Purposes, Wire Calculations, fViring Calculations, Illumination Cal- 'ilations. Shunt Instmmcnts and Cal- ulalion of Resistance of Shunts, - iver Calculations, Efficiency Cnlcu- ^-, , "ions. Measuring of Unknoivn Resist- , Dynamo and Dynamo Troubles, rs and Motor Troubles, Calcula- f Size of Pulleys, Current Calcu- s in finding Impedance, React- InfluctEUce, Frequency, Speed of nntors and Motors, Conductance, ceptance, Admittance, Angle of and Power Factor, and Formulas with Line Transformers. ARE YOU INTERESTED IN ELECTRICITY? ^ If you are, ibis is your opportunity to get a book which is autlientic as it is complete! For every problem that has pu^..: you and is puzzling you, you will find the solution in clear, defii . .. language in the BLUE BOOK. Its informatative contente coi..c from tlie pen of Yorke Burgess, founder and head of the famoi "r electrical school bearing his name. It is a pocket-size note book, especially adapted for the practical man and those who are taking up the study of electricity. You can have this note book with you at all times and you can read and study it in your leisure moments. With all mailing charges postpaid, we will send you tlJs : xel- lent book for one dollar ($1.00). Just mail us your order, enclos- ing a dollar bill, a check, or a money order with your request ^ ir a copy. Knowing its value thoroughly, we are convinced that y ju will like the book, but after five days we will be glad to refund your dollar if you should care to return the book. Just drop us a line. THE McCLURE PUBLISfflNG CO.