TIBKYBA

CONTENTS.

ORIGINAL PAPERS.

Page

5

INTRODUCTION

On the Nature, Evidence, and Advantages of the Inductive Philosophy.-

Three Papers

13, 159, 306

On the Tides; and the recent Progress of our Knowledge respecting them

The Juvenile Philosopher

Recent Researches on the Formation of Rain

On Steam and Gas

Simple and effectual Mode of detecting Errors in Levelling Observations

Experiments on the Circulation of the Blood; by Professor Hering

On Bored Wells

A Popular Course of Astronomy. Three Papers

On the Manufacture of Polished Steel Studs and Beads

Joint-Stock Companies of 1335

Description of Mr. Perkins's new Steam-Boiler

Recent Researches in Geology

Flamsteed, Newton, and Halley

The British Association and the Quarterly Review

Two Papers

On the Elementary Study of Geometry and Algebra.

On an incredible Experiment, in which the Human Body loses its Weight

Description of the Current-Meter, as recently improved by Mr. Saxton

Recent Researches on Heat

Sketches from Life of some cininent Foreign Scientific Lecturers

Description of an Apparatus for indicating the Internal Temperature of Animals

and Vegetables. Two Papers

. 242

256

The General Principles on which the Classification of Natural Objects is founded 281

The probable Origin of the Algebraic Signs Plus and Minus

257, 318

. 291

Questions for Solution relating to Meteorology, Hydrography, and the Art of

Navigation. By M. Arago

328

Recent Researches on Light

Latest Results of Researches on the Tides

Description of the Great Cave of Guachara, in the Province of Cumana

On the correct Mode of measuring Altitudes

A Visit to the Quicksilver Mines of Idria

THE GALLERY OF PRACTICAL SCIENCE.

1. On the Construction of Coaches; by Sir Henry Parnell

2. Mathematical Researches; by G. J. Jerrard

3. On the Theory and Solution of Algebraical Equations; by J. R. Young

4. Minerals and Metals, with their Natural History and Uses in the Arts

5. The Students' Cabinet Library; by Professor Hitchcock

6. On the respective Advantages of different Lines of Railways; and on the

Use of Locomotive Engines. Translated from the French of M. Navier,

by John Macneill .

7. Principles of the Differential and Integral Calculus; by Rev. Dr. Ritchie

8. The Doctrine of Proportion, or Geometrical Admeasurement by similar

Triangles

9. Artisans and Machinery; by P. Gaskell, Esq.

123

10. Three Addresses before the Staines Society for the Promotion of Science, &c.;

by the Rev. Dr. Jones.

129

11. Optical Investigations; by the Rev. G. H. Johnson, M, A.

12. Perspective Rectified; or the Principles and Application demonstrated ;

by Arthur Parsey

193

195

13. Annual Report of the Astronomical Society of London; for 1836

197

14. A Treatise on the principal Mathematical Instruments employed in Survey-

ing, Levelling, and Astronomy; by F. W. Simms. 2nd. edition, 8vo.

265

Meterological Journal for the Month of December, 1835

January, 1836

February,

March,

April,

May,

List of Patents granted between the 1st of January, and the 25th of

June, 1836

67

68

68

MISCELLANEOUS INTELLIGENCE.

Page

Annual Depth of Rain in England..... 65 Appearance of the Cross-Bill in Fife-

Aurora Borealis

...

65 shire

Page

208

65 Standard Scale and Standard Yard ...209

66 Premiums offered by the Royal Corn-

wall Polytechnic Society, for 1836...210

Railroads and Locomotive Trains in

Bavaria

Curvilinear Direction of Winds..

Temperature of Canton and Macao

Filtration and Cooling of Light...... 66

Periodic Appearance of Shooting Stars 66

Velocity of Currents in Rivers

66

211

Temperature in Rocky Strata

67 Instance of Human Effort, in Sawing 211

Reflected Heat measured

67 Double Sextant

Flowering of a West India Plant

Phosphoric Light emitted by Flowers. 68

Beet-Root Sugar

Science assisted by the State

212

Preservation of Corn in Granaries
Patent Law Grievance

..212

.213

New Electro-Chemical Apparatus...... 69

Duration of Life in France.....

69

.342

Estimate and Expression of the Accli-

.342

vities in Roads.

.400.

.342 Estimate of the efficacy of the Hot-Air

Blast

Railroad Acts-present Session.........401

British Association.-Sixth Meeting...401

Patent Law Improvement Bill

.401

Patent Law Grievance. No. IV. ....402

.400

Science assisted by the State. No. II. 341 Another Bequest to the Ingenious......398

Locomoteurs on Common Roads

Railroad Acts-present Session...

Patent Law Grievance. No. III.

Hope deferred

Precision in Scientific Terms. No. III. 393

Safety-Stopper for Steam-Boilers .395

Self-regulating Apparatus for the supply

of Steam-Boilers.

.342

.397