Elementary Lessons in Electricity & MagnetismMacmillan and Company, 1886 - 456 σελίδες |
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Σελίδα 48
... direction opposite to that in which the points are bent . Another favourite way of exhibiting electric repulsion is by means of a doll with long hair placed on the machine ; the individual hairs stand on end when the machine is worked ...
... direction opposite to that in which the points are bent . Another favourite way of exhibiting electric repulsion is by means of a doll with long hair placed on the machine ; the individual hairs stand on end when the machine is worked ...
Σελίδα 50
... direction to that in which these tongues point . On the front side of the moving disc , and opposite the forward edges of the two armatures , stands an oblique metal conductor , D , which need not be insulated . It has metal combs or ...
... direction to that in which these tongues point . On the front side of the moving disc , and opposite the forward edges of the two armatures , stands an oblique metal conductor , D , which need not be insulated . It has metal combs or ...
Σελίδα 51
... direction indicated by the arrow , from the left to the right side ; and , when it gets opposite the right tongue , is discharged into the armature f ' , increasing its charge , and thereby helps that armature to act still more strongly ...
... direction indicated by the arrow , from the left to the right side ; and , when it gets opposite the right tongue , is discharged into the armature f ' , increasing its charge , and thereby helps that armature to act still more strongly ...
Σελίδα 53
... directions . Each plate has a series of small slips of thin metal foil upon it , which serve both as carriers and as armatures . There are two uninsulated diagonal conductors at the front and back ; and two insulated collecting combs at ...
... directions . Each plate has a series of small slips of thin metal foil upon it , which serve both as carriers and as armatures . There are two uninsulated diagonal conductors at the front and back ; and two insulated collecting combs at ...
Σελίδα 87
... direction or line . In the horse - shoe magnet the field is most intense between the two poles , and the lines of magnetic induction are curves which pass from one pole to the other across the field . A practical way of investigating ...
... direction or line . In the horse - shoe magnet the field is most intense between the two poles , and the lines of magnetic induction are curves which pass from one pole to the other across the field . A practical way of investigating ...
Άλλες εκδόσεις - Προβολή όλων
ELEM LESSONS IN ELECTRICITY & Silvanus Phillips 1851-1916 Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
ELEM LESSONS IN ELECTRICITY & Silvanus Phillips 1851-1916 Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
ELEM LESSONS IN ELECTRICITY & Silvanus Phillips 1851-1916 Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
action ampères angle armature attracted ball battery bismuth carbon centimetres charge of electricity chemical circuit coil condenser conductor copper current flows Daniell's cells deflection diamagnetic dielectric difference of potential direction disc discharge distance earth earth's magnetism electric force electrified electrified body electrolytic electromagnet electrometer electromotive-force electroscope electrostatic equal Faraday galvanometer gramme heat Hence hydrogen instrument insulated internal resistance inverse iron kathode length Lesson Leyden jar light lines of force liquid magnetic field magnetic force magnetic pole magnetic potential magnetic shell magnetised measured metal move negative number of lines-of-force observed Ohm's law ohms oxygen pass piece placed plate platinum polarisation positive produced proportional quantity of electricity repelled repulsion rotation round rubbed shown in Fig spark sphere steel strength substances sulphuric acid surface tangent tangent galvanometer temperature torsion balance tube turns unit of electricity vibrations voltaic volts zinc
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Σελίδα 52 - These are admirable books, because they are constructed on a principle, and that the simplest principle on which it is possible to learn to read English.
Σελίδα 50 - VI. Crown 8vo. {430 pp.) 2s. Book VI. is fitted for higher Classes, and as an Introduction to English Literature. " They are far above any others that have appeared both in form and substance. . . . The editor of the present series has rightly seen that reading books must 'aim chiefly at giving to the pupils the power of accurate, and, if possible, apt and skilful expression; at cultivating in them a good literary tasie, and at arousing a desire of further reading.
Σελίδα 65 - Supernatural Religion." Crown 8vo. los. 6d. INTRODUCTION TO THE STUDY OF THE FOUR GOSPELS. Fifth Edition. Crown 8vo. ios. 6d. THE BIBLE IN THE CHURCH. A Popular Account of the Collection and Reception of the Holy Scriptures in the Christian Churches. New Edition.
Σελίδα 33 - AN ELEMENTARY TREATISE ON THE LUNAR THEORY, with a Brief Sketch of the Problem up to the time of Newton. Second Edition, revised. Crown 8vo. $s. 6d. HEMMING— AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use of Colleges and Schools.
Σελίδα 51 - HISTORICAL OUTLINES OF ENGLISH ACCIDENCE, comprising Chapters on the History and Development of the Language, and on Word-formation.
Σελίδα 52 - SONNENSCHEIN and MEIKLEJOHN — THE ENGLISH METHOD OF TEACHING TO READ. By A. SONNENSCHEIN and JMD MEIKLEJOHN, MA Fcap. 8vo. COMPRISING : THE NURSERY BOOK, containing all the Two-Letter Words in the Language. Id. (Also in Large Type on Sheets for School Walls. 5^.) THE FIRST COURSE, consisting "of Short Vowels with Single Consonants.
Σελίδα 44 - Stands alone as the one general history of the country, for the sake of which all others, if young and old are wise, will be speedily and surely set aside.
Σελίδα 48 - A BOOK OF GOLDEN DEEDS of All Times and All Countries. Gathered and Narrated Anew. By the Author of
Σελίδα 6 - ARISTOPHANES— THE BIRDS. Translated into English Verse, with Introduction, Notes, and Appendices, by BH KENNEDY, DD, Regius Professor of Greek in the University of Cambridge. Crown 8vo. 6s. Help-Notes to the same, for the use of Students. is. 6d. BELCHER SHORT EXERCISES IN LATIN PROSE COMPOSITION AND EXAMINATION PAPERS IN LATIN GRAMMAR, to which is prefixed a Chapter on Analysis of Sentences.
Σελίδα 17 - Prize Essay for 1877. 8vo. &r. 6d. SMITH— Works by the Rev. BARNARD SMITH, MA, Rector of Glaston, Rutland, late Fellow and Senior Bursar of St. Peter's College, Cambridge. ARITHMETIC AND ALGEBRA, in their Principles and Application ; with numerous systematically arranged Examples taken from the Cambridge Examination Papers, with especial reference to the Ordinary Examination for the BA Degree.