PREFACE TO THE SECOND VOLUME.
In the Advertisement to the Seventh Part of the Scientific Memoirs the Editor has already acknowledged the assistance afforded to the work by the British Association for the Advancement of Science, concurring, as it has done most efficiently, with the other public bodies and individuals by whom the success of the undertaking had been promoted. It is now his pleasing duty to state, that the support thus given having afforded an opportunity for the plan and objects of the work to become more generally known, the sale has been so far increased as to give an improved prospect of its permanence; and that a portion of the Third Volume is already in the press.
Of the Memoirs contained in Part VIII. the following have been received from the Committee of the British Association for procuring the translation and publication of Foreign Scientific Memoirs, viz.:—
The Galvanic Circuit investigated Mathematically. By Dr. G. S. Ohm. Continuation.
Bessel on the Barometrical Measurement of Heights.
Rudberg on the Expansion of Dry Air.
Weber on a Transportable Magnetometer. With a Plate.
Weber on the Magnetic Term-Observations for 1839 of the German Magnetic Association. Extract. With a Plate.
Goldschmidt On the Observations of Magnetic Declination at Göttingen.
The continuation of the translation of Ohm's Memoir has
