Изображения страниц
PDF
EPUB
[ocr errors]
[merged small][merged small][ocr errors][merged small]
[merged small][merged small][ocr errors][merged small][merged small]

Mr. THOMAS BLOXAM on the Influence of Clean and Unclean Surfaces in Vol-
taic Action

Mr. LATIMER CLARK on a new Form of Constant Galvanic Battery.
Dr. J. P. JOULE's Notice of and Observations with a New Dip-circle
Professor TAIT on Thermo-electricity..

.....

Mr. C. F. VARLEY on a Method of Testing Submerged Electric Cables.....
Professor CH. V. ZENGER on a New Key for the Morse Printing Telegraph..

Dr. BUYS BALLOT on the Importance of the Azores as a Meteorological Sta-
tion

[merged small][merged small][ocr errors][subsumed][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

.....

....

[merged small][ocr errors][ocr errors][merged small][merged small][merged small][merged small][ocr errors][merged small][subsumed]
[merged small][ocr errors]
[blocks in formation]
[ocr errors]

M. GUSTAV BISCHOF on the Examination of Water for Sanitary purposes
Mr. PHILIP BRAHAM on the Crystallization of Metals by Electricity.....
Mr. J. Y. BUCHANAN on the Rate of Action of Caustic Soda on a watery Solu-
tion of Chloracetic Acid at 100° C.

....

Dr. F. CRACE-CALVERT on the Estimation of Sulphur in Coal and Coke....
Mr. JOHN DALZELL and Dr. T. E. THORPE on the Existence of Sulphur Di-
chloride.....

.....

[blocks in formation]
[merged small][ocr errors][merged small][merged small][merged small]

The Rev. H. HIGHTON on a Method of Preserving Food by Muriatic Acid.. 73

Dr. J. SINCLAIR HOLDEN on the Aluminous Iron-ores of Co. Antrim
Professor N. STORY MASKELYNE on the Localities of Dioptase

The ABBÉ MOIGNO on the Photographic Post

...

.....

Mr. PATTISON MUIR on an Antimony-ore from New Zealand

Dr. T. L. PHIPSON on Regianic Acid

......

[ocr errors][merged small][merged small]

83

[ocr errors]

The Rev. J. F. BLAKE on the Yorkshire Lias and the Distribution of its

Ammonites

Mr. D. J. BROWN on the Silurian Rocks of the South of Scotland ....

.....

[ocr errors]
[blocks in formation]
[ocr errors]
[ocr errors]
[blocks in formation]
[blocks in formation]
« ПредыдущаяПродолжить »