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The Tesla High Frequency Coil 10500429
Physics
Kendriya Vidyalaya Hebbal
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PLATE IV. Motor - driven Interru p ter. PLATE V. The Electro lytic Rectifier.
PLATE II. Tr ansformer for 1 2 ” A pp a ratus. 1 2 ” Coil .
T H E T E S L A H I G H
F R E
Q
U E N C Y C O I L
I TS C O N S TR U C TI O N A N D U S E S
BY 0 ,
GEO R GE F
F Q
HALLER
AND
ELMER TILING CUNNIN GHAM
5
6 ILLUS TRATIONS
NE W Y O R K
D. V A N N O S T R A ND C O M P A NY
2
3
MURRA Y AND 1
10 2
7
WARREN S
' r s.
P LATE 1. Complete 1 ” Apparatus . F ronti s p iece.
vi Introduction too small a condenser capacity. For about five months they further experim e nted on the details of construction and finally arrived at the 1 ” coil described in this book. This
coil they feel assured is as emcient as can be made. It is
especially desi g ned to give a high - frequency discharge of
great volume. This latter fact makes it useful for wireless
tele g raphy. In conclusion they have to thank Mr. G. 0. Mitchell for many suggestions and for the kindly interest he has taken in
this work. They feel that without his help the writing of
this little book would have been impossible.
CONTENTS
CHAPTER I. GE NER AL SURVEY II. THE TRANS FORME R III. THE C ONDE NSE R IV. THE OSCILLATION TRANS FORME R V. THE INTE RRU PTE R VI. THE C ONS TRUCTION OR THE B OXE S VII. AS SE MBLING VIII. THE ORY OF TH E Con. IX. USE S OF THE Con. X. D IME NS IONS OP 7 ’ S TANDARD C OIL APPE NDIX
LIST OF PLATES F ACING PAGE Complete 1 2 ’ Apparatus F rontis p iece Transformer for 1 2 ’ Apparatus O sc illation Transformer and Glass for Condense r of 1 2 ’ Coil Motor - drive n Inte rrupter The Elec t rol y tic Rec tifier D isc ha r g e from the 1 2 ’ Coil The 7 ’ Standard Appa ratus
Li st o f Fi g ures High - tension B ush in g O sc illato rs and Standards Wirin g D ia g ram Waves on Wires P r imary and Co re of Transforme r of 7 ’ Coil Secondary Bob b in of Transformer of 7 ’ Coil Plate and Frame of Condense r O sc illation Transforme r o f 7 ’ Apparatus Box for 7 ’ Apparatus W 1 r 1 u g D ia g ram Osc illato rs and S tandards fo r 7 ” Apparatus O sc illat ion T ransfo rme r of S mall Co il Completed Transforme r of S mall Coil P rimary Spark - g a p Wirin g D ia g ram Wirin g D ia g ram
####### T H E T E S LA C O IL
CHAPTER I GENERAL SURVEY BY far the largest and most interesting branch of science is electrici ty , for Maxwell has proven mathematically , and Hertz verified experimentally , that light is an electroma g netic disturbance in the ether , and thus added that subject to the realm of electricity. Amongst the various phenomena of electricity , those of the high - tension current are the most interesting and instructive. With such a current all the wonders of the Geissler and Crookes tubes may be seen. With it waves for wireless messages may be sent out into space , and a great number of other experiments carried out. It is the purpose of this book to S how how a satisfactory apparatus for producing these currents may be constructed , and also to describe a few of the uses for such a coil. The apparatus , as described in this book , is most commonly known as the Tesla High - Frequency Coil , and consists , in general , of four parts : I. The Step - Up Transformer " 2. The Interrupter " 3 . The Condenser " 4 . The O scillation Trans former. Each of these will be fully considered in subsequent chapters. Before entering upon the description of the Tesla high frequency apparat us , however , it would be well to make a few general remarks which are of the g reatest importance.
The Tesla High Frequency Coil 10500429
Course: Physics
University: Kendriya Vidyalaya Hebbal
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