Vol. 55. Philosophical Magazine. Junf. 1820, 



Contents of Number 266 



LXVIII. On tlie apparent Pl.ice of the PoIe-Star. By 

 Francis Baily, Esq. - - - Page 401 



LXTX. An Essay on the Reflection, Reir.icl-ion, and 



;■ Inflection of Light; on the Colours of thin transparent 



Plates; and a new Theory of Vision. By Captain Forman, 



R.N. ----- 4-17i 



LXX. Catalogue of Ancient Eclipses, with the Dates of 



[their corresponding Eclipses at one and two Periods Di- 



i stance. With Remarks.. By Mr. Thomas Yeates. - 439 



LXXI. On tha Distribution of the Magnetic Fluids in 

 j Masses of Iron ; and on the Deviations which they produce in 

 'Compasses placed within their Influence. By Mr. Charles 

 , Bonnycastle. - - - * • ^■46 



LXXII. Facts respecting the comparative Strength of 

 Ichain Cables on the Construction of Capt. Samuel Brown, 

 and the Patent Chain Cable of Thomas Brunton, Esq.; 

 Und of Iron Cables compared with Hempen Cables: as eli- 

 cited on the Trial of the Cause Brunton against Hawks 

 land others, before The Lord Chief Justice Abbott and 

 a SpecialJury, 2.5th May 1820. - - -456 



LXXIII. Notices respecting New Books. - - 463 



LXXIV. Proceedings of Learned Societies. - \- 464 



LXXV. Intelligence and Miscellaneous Articles:— Note 

 on the Divining Rod, by Dr. Charles Hutton.— New 

 ': Electrical Battery. — Morphia. — Amber. — Buniing of 

 I Smoke.— Test for Wheat Flour.— Voyages, &c.— Patents. 

 -Meteorological Tables.— Index. - 465—476 



^^-^ ' *** Communications for this Work, addressed to the Editor, 

 M Pickett-Place, Temple Bar, will meet with every attention. 



RICHARD AND ARTHUB. TAYLOR, PRINTERS, SHOE LAN!, LONDON. 



