Bulletin of the Bureau of Standards, Volumen8

U.S. Government Printing Office, 1913

Contains results of investigations, researches, etc., pertaining to scientific, technical and manufacturing interests of the country.

INTRODUCTION	6

7 Weinsteins k series formula ΙΟ	7

Vol	8

FORMULAS for GEOMETRICAL AND ARITHMETICAL MEAN DISTANCES	9

10 II Maxwells series formulas for any two coaxial circles	13

13 Coffins extension of 12	14

16 Havelocks formula extended for circles near together	16

19 Simple form of Mathys formula for the case r₁2 22 r₂²	18

A DETERMINATION OF THE INTERNATIONAL AMPERE IN ABSOLUTE	269

DEFLECTION POTENTIOMETERS FOR CURRENT AND VOLTAGE MEASURE	395

OUTLINE of Design of Deflection Potentiometers with NOTES	419

NO 3	430

THE DETERMINATION OF TOTAL SULPHUR IN INDIA RUBBER	445

THE MEAsurement of THE INDUCTANCES OF RESISTANCE COILS	455

Values of limiting value of the change of inductance with fre	464

LUMINOUS PROPERTIES OF ELECTRICALLY CONDUCTING HELIUM	487

Choice of formulas	19

d Examples 119 illustrating the formulas for the mutual inductance of coaxial circles	20

a Formulas 20 Rowlands formula equal radii but unequal section	33

22 Differential coefficients in 20 and 21	34

24 Same for coils of equal radii and equal section	35

25 26 Formulas for errors of formulas 21 and 24 36	38

2931 Rosas formulas for two equal coils	39

33 The RosaWeinstein formula	40

34 Formula in terms of selfinductance 4I 35 Geometric meandistance formula	42

Choice of formulas c Examples 2033 illustrating the formulas for the mutual inductance	43

of two coaxial coils	44

224	61

primary	68

56	76

57	89

b Mutual inductance of a short secondary on the outside of a long	96

THE SELFINDUCTANCE OF A CIRCULAR COIL OF RECTANGULAR SEC	135

III	170

Recent formula for coaxial circles Nagaoka	189

Values of 9 91 and e for use in formulas 8 9 45 76 77 and 78	207

Values of coefficients in Grays and Searle and Aireys formulas	222

116 117	234

THE CORRECTION FOR EMERGENT STEM OF THE MERCURIAL THER	239

RESISTANCE COILS FOR ALTERNATING CURRENT WORK	495

THE HYDROLYSIS OF SODIUM OXALATE AND ITS INFLUENCE UPON	519

WAVELengths of NEON I G Priest	539

THE FOURTERMINAL CONDUCTOR And the Thomson Bridge	545

Frank Wenner	559

NO 4	584

STANDARDIZATION OF POTASSIUM PERMANGANATE SOLUTION BY SODIUM	610

STANDARDIZATION OF POTASSIUM PERMANGANATE	612

DISCUSSION AND CONCLUSIONS	632

BENZOIC ACID AS AN ACIDIMETRIC STANDARD G W Morey	643

UNITED	646

A TUBULAR ELECTRODYNAMOMETER FOR HEAVY CURRENTS P G Agnew	651

THERMOMETRIC LAG D R Harper 3d	659

INTRODUCTION	660

LAG OF ELECTRICAL THERMOMETERS	694

SUMMARY	713

INTRODUCTION	716

of examples to illustrate and test the formulas We have given	722

Formulas and Tables for the Calculation of Mutual and SelfInductance	741

Nagaokas table of the correction for the ends as function of	iii

DETERMINATION OF MANGANESE AS SULPHATE AND BY THE SODIUM	v

WASHINGTON

Título	Bulletin of the Bureau of Standards, Volumen8 Bulletin of the Bureau of Standards, United States. Bureau of Standards Scientific papers
Autor	United States. Bureau of Standards
Editor	U.S. Government Printing Office, 1913
Procedencia del original	Universidad de Michigan
Digitalizado	13 Dic. 2008

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