Miscellanies. 397 



24. Transactions of the Society instituted at London, for the en- 

 couragement of Arts, Manufactures, and Commerce, — with premi- 

 ums offered for the years 1838-9 and 1839-40. Vol. 52, Part 11. 

 London, 1839. 



By the attention of its Secretary, we have been favored with a copy 

 of the 2nd part of the transactions of the Society of Arts, &c. This 

 society is conducted on the most liberal plan, and under its fostering 

 care science has advanced in the most encouraging manner. Large 

 premiums are annually offered and awarded, according to a list of 

 subjects drawn up M'ith great care. All inventions which are elicited 

 in this manner, are thrown open for the free use of all, without pa- 

 tent, and the halls of the society contain models of all machines and 

 contrivances which have ever come under its patronage. 



The contents of the present volume are as follows : — 



PART I. 



Agriculture. — Colonel Le Couteur on Hoeing Wheat. 



Fine Arts. — Mr. E. W. Whitehouse on making Casts from soft 

 Anatomical Specimens; Mr. T. Carrick on Marble Tablets for Min- 

 iature Painters ; Mr. J. Esquilant on Ornaments in Pressed Leather 

 for Mouldings, &c. 



Chemistry. — Mr. L. Thompson on Making Prussian Blue ; on Pu- 

 rifying Copper; Messrs. G. and W. Bursill on a Safe Lamp, &c. for 

 Miners. 



Manufactures. — Mr. J. Farley on an Improvement in the Broad 

 Silk Loom. 



Mechanics. — Mi\ J. F. Goddard on an Apparatus for exhibiting 

 Experiments on the Polarization of Light ; Mr. J. P. Paine on an 

 Escapement "Wheel and Micrometer Adjustment for Turret-Clocks ; 

 Mr. A. P. Walsh on a Remontoire Watch Escapement ; Mr. H. Map- 

 pie on a Resonant Spring for Table-Clocks ; Mr. F. Danchell on a 

 Tuning Key for a Pianoforte ; Mr. J. Crockford on a Ball-Valve for 

 Shallow Water Cisterns ; Mr. W\ Eaddeley on a Portable Tank for 

 use at Fires ; Mr. A. G. Edye on an Instrument for ascertaining the 

 Stability of a Ship: Mr. W. Kennish on the disadvantages of the use 

 of Black Paint on board Ship ; Mr. J. Burkitt on a Self-Supplying 

 Tympan ; Mr. W. Levick on a Furnace for Type-Founders; Mr. A. 

 Alexander on a Ventilating Eye-Shade ; Mr. C. Jenkins on an Ad- 

 justable Step-Ladder ; Captain Ericsson on a Hydrostatic Weighing 

 Machine. 



Illustrations. — On Artificial Light and the Manufacture of Candles, 

 by the Secretary ; The Natural History and Commercial History of 

 Cotton, by Ditto. 



Vol. sxxix, No. 2.— July-September, 1840. 51 



