MAGNETICAL

INVESTIGATIONS.

PART II.

MAGNETICAL

INVESTIGATIONS.

BY THE

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.