Volume 120 (1830)

Front Matter

Anonymous (13 pages)

The Bakerian Lecture--On the Manufacture of Glass for Optical Purposes

Michael Faraday (59 pages)

Account of Levellings Carried across the Isthmus of Panama, to Ascertain the Relative Height of the Pacific Ocean at Panama and of the Atlantic at the Mouth of the River Chagres; Accompanied by Geographical and Topographical Notices of the Isthmus

John Augustus Lloyd (29 pages)

On the Law of the Partial Polarization of Light by Reflexion

David Brewster (17 pages)

A Report on the Stomach of the Zariffa

Everard Home (6 pages)

On the Production of Regular Double Refraction in the Molecules of Bodies by Simple Pressure; with Observations on the Origin of the Doubly Refracting Structure

David Brewster (10 pages)

Experiments on the Influence of the Aurora Borealis on the Magnetic Needle

James Farquharson (20 pages)

Remarks on Several Icebergs Which Have Been Met with in Unusually Low Latitudes in the Southern Hemisphere

James Horsburgh (5 pages)

On the Progressive Improvements Made in the Efficiency of Steam Engines in Cornwall, with Investigations of the Methods Best Adapted for Imparting Great Angular Velocities

Davies Gilbert (13 pages)

On the Laws of the Polarization of Light by Refraction

David Brewster (13 pages)

On the Action of the Second Surfaces of Transparent Plates upon Light

David Brewster (9 pages)

Observations Made with the Invariable Pendulum (No. 4. Jones), at the Royal Observatory, Cape of Good Hope, for the Purpose of Determining the Compression of the Earth

Fearon Fallows (24 pages)

Statement of the Principal Circumstances Respecting the United Siamese Twins Now Exhibiting in London

George Buckley Bolton (12 pages)

On Some Properties in Achromatic Object-Glasses Applicable to the Improvement of the Microscope

Joseph Jackson Lister (15 pages)

On the Pendulum

J. W. Lubbock (9 pages)

On the Theoretical Investigation of the Velocity of Sound, as Corrected from M. Dulong's Recent Experiments, Compared with the Results of the Observations of Dr. Moll and Dr. Van Beek

Dr. Simons (7 pages)

On the Elasticity of Threads of Glass, with Some of the Most Useful Applications of This Property to Torsion Balances

William Ritchie (9 pages)

Meteorological Journal, Kept by the Assistant Secretary at the Apartments of the Royal Society, by Order of the President and Council

Anonymous (8 pages)

Errata

Anonymous (2 pages)

Memoir on the Occurrence of Iodine and Bromine in Certain Mineral Waters of South Britain

Charles Daubeny (16 pages)

Experiments to Determine the Difference in the Number of Vibrations Made by an Invariable Pendulum in the Royal Observatories of Greenwich and Altona

Edward Sabine (12 pages)

Experiments to Ascertain the Correction for Variations of Temperature, within the Limits of the Natural Temperature of the Climate of the South of England, of the Invariable Pendulum Recently Employed by British Observers

Edward Sabine (6 pages)

On a New Register-Pyrometer, for Measuring the Expansions of Solids, and Determining the Higher Degrees of Temperature upon the Common Thermometric Scale

J. Frederic Daniell (32 pages)

On the Phenomena and Laws of Elliptic Polarization, as Exhibited in the Action of Metals upon Light

David Brewster (42 pages)

Researches in Physical Astronomy

John William Lubbock (32 pages)

On the Error in Standards of Linear Measure, Arising from the Thickness of the Bar on Which They are Traced

Henry Kater (24 pages)

On the Illumination of Light-Houses

Thomas Drummond (19 pages)

On the Electro-Magnetic Properties of Metalliferous Veins in the Mines of Cornwall

Robert Were Fox (17 pages)

Sequel to a Paper on the Tendency to Calculous Diseases, and on the Concretions to Which Such Diseases Give Rise

John Yelloly (15 pages)

Meteorological Journal, Kept by the Assistant Secretary at the Apartments of the Royal Society, by Order of the President and Council

Anonymous (8 pages)

Back Matter

Anonymous (21 pages)

Articles