440 



CATALOGUE, — TERRESTRIAL MAGNETISM. 



Colepress on heating a magnet. Pli. tr. I667. 



11.50. 

 Effects of iron on the needle. Ph. tr. lG85. 



XV. 1213. 

 Leeuwenhoek's magnetical experiments. Pli. 



tr. 16J7.X[X. 512. 

 Ballard on the magnetism of drills. Ph. tr. 



1608.417. 

 Taylor's experiments. Ph. tr. 1721. XXXI. 



204. 



Savery's observations. Ph.tr. 1780. XXXVI. 



295. 

 Marbel. Ph. tr. 1732. XXXVII. n. 423. 



Middleton on the effect of cold on the nee- 



,dle. Ph.tr. 1738. XL. 310. 

 Eames on a plurality of poles. Ph. tr. 1738. 



XL. 383. 

 Desagiiliers. Ph.tr. 1738. XL. 385. On an 



experiment of Diifay. 386. 



A blow fixing the temporary polarity and again destroy- 

 ing it. 



Bremond on a file made magnetic by light- 

 ning. Ph. tr. 1741. XLI. 614. 



Knight's experiments. Ph. tr. 1744. XLIII. 

 161. 1747. XLIV. 656. 



With very powerful magnets. 



Aepinus on a magnetical experiment. N. C. 



Petr. IX. 340. 

 Lafollie's magnetical experiments. Iloz. III. 



99- 

 Van Swinden sur un ph^nomfene paradoxe. 



Recueil. III. 



Veratti's magnetical experiments. C. Bon. 

 VI. 31. 



Cavailo on magnetism as affected by effer- 

 vescence, Ph.tr. 1786. 1787. 



Ilittenhouse's magnetical experiments. Am. 

 tr. II. 178. 



Madison's magnetical experiments. Am. 

 tr. IV. 323. 



Magnetical phenomena. Ph. M. I. 426. 



Liidicke's experiments. Gilb. XI. 114. 



Kilter's experiments.Journ.Phys. LVII. 406. 



Terrestrial Magnetistn. 

 Declination, Dip, and Variation, 



For particular observations^ see various nau- 

 tical and meteorological journals, 



Gellibrand on the variation of the needle. 



Petit on aterrella, and on the change of de- 

 clination. Ph. tr. 1667. [I.n.28. , 



DecUnation in l66s. Ph. tr. I668.III. 725. 



Bond's prediction of the variation to 17 16. 

 Ph.tr. 1668.111. n. 40. 

 Makes it 9°. 1?' W. in 1? 16. It was actually about 10°. 



Auzout on the declination at Rome in 1670. 

 Ph.tr. 1670. V, 1184. 

 It was 21°. W. 



Hevelius. Ph. tr. 167O. V. 2059- 

 Halley. Ph. tr. l683. XIII. 208. 

 Halley's hypothesis. Ph. tr. I693. XVII. 



563. 



Bound with XVI. in the copy of the R. X.. 

 Halley. Ph. tr. 1714. I65. 

 Heathcote. Ph. tr. 1684. XIV. 578. 



In Guinea. 



At Nuremberg. Ph. tr. l685. XV. 1253. 

 Valkmont sur I'aimant qui s'est fait a Char- 



tres. 12." Par. I692. M. B. 

 *J. C. on the polarity of iron. Ph. tr. I694. 



XVIII. 257. 

 Molvneaux on an error from the change of 



variation. Ph.tr. l6y7. XIX. 625. 

 Ballard on the magnetism of dulls.. Ph. tr. 



1698. XX. 417. 



Cunningham on the dip. Ph. tr. 1706.XXII. 



507. 

 Cunningham. Ph. tr. 1704. XXIV. l639. 



In China. 



Ph. tr. 1700. XXII. 725. 



