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CONTENT S.

PART II.

INVESTIGATIONS CONCERNING THE LAWS OR PRINCIPLES

AFFECTING THE POWER OF MAGNETIC STEEL PLATES
OR BARS IN COMBINATION.

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CHAPTER II.
ON THE POWERS OF COMBINATIONS OF MAGNETIZED

STEEL PLATES, SEPARATED BY LIMITED SPACES - 119 RESULTS - - - - - - - - 128

CHAPTER III.
ON THE RELATIVE POWERS OF COMBINATIONS OF MAG-

NETIZED STEEL PLATES OR BARS, AS AFFECTED BY
DIFFERENCES IN THE DEGREE OF HARDNESS OR
NATURE OF THE TEMPER

- - - - 132

MAGNETICAL

INVESTIGATION S.

PART II.

MAGNETICAL

INVESTIGATIONS.

BY THE

C.
REV. WILLIAM SCORESBY, D.D.

FELLOW OF THE ROYAL SOCIETIES OF LONDON AND EDINBURGH;
CORRESPONDING MEMBER OF THE INSTITUTE OF FRANCE,

ETC. ETC.

PART II.

COMPRISING INVESTIGATIONS CONCERNING THE LAWS OR
PRINCIPLES AFFECTING THE POWER OF MAGNETIC STEEL PLATES

OR BARS IN COMBINATION, AS WELL AS SINGLY,
UNDER VARIOUS CONDITIONS AS TO MASS, HARDNESS, QUALITY,
FORM, ETC., AS ALSO CONCERNING THE COMPARATIVE

POWERS OF CAST IRON.

LONDON:
LONGMAN, BROWN, GREEN, AND LONGMANS,

PATERNOSTER-ROW.

M.DCCC.XLIII.

aw,

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