346 Scientific Intelligence. 



Eye-Tube by Dr Brewster. Mr Adams's Eye-Tube was exhibited to the 

 Society. 



Mr James Nasmyth described a method of checking accelerated velo- 

 cities by the Conical Pendulum. 



There were exhibited to the Society various specimens of the workman- 

 ship of the Russians in leather in the possession of Dr Rogerson of Dum- 

 crieff. 



The following Gentlemen were admitted Members of the Society. 

 Sir Samuel Stirling, Bart, of Glorat. 

 Sir William Molesworth, Bart. 



Dr Francis Home, Professor of the Practice of Physic. 

 Dr Rogerson of Dumcrieff. 

 Mr Henderson, Architect. 



Feb. 20. — Mr John Robison read an account of the Failure of the Sus- 

 pension Bridge at Paris. See this Number, p. 240. 



Mr Robison exhibited a cock used in the south of France for drawing 

 off wines and acid liquors. 



There was read a Botanical survey of part of the county of Aberdeen, 

 by Mr Alex. Murray, A. M. Surgeon, Alford. 



Mr Johnson was admitted an associate member. 



March 6. — Messrs George and James Nasmyth exhibited a model of 

 a Locomotive Steam Carriage in operation. 



There was read a description of the New Safety Gas Burner by Mr 

 Warden, Engineer to the Portable Gas Company. 



The Burner was exhibited in operation to the Society. 



The Buccleugh Lamp was exhibited, in which oil is burned in capillary 

 tubes without wicks. 



Captain Watson, R. N. was admitted an ordinary member. 



Art. XLIIL— SCIENTIFIC INTELLIGENCE. 



I. NATURAL PHILOSOPHY. 



ASTRONOMY. 



1. Fifth Comet of 1825 in Eridanus. — This interesting"comet, of which we 

 have given the elliptical elements by Clausen, in No. ix. p. 178, has been 

 observed in March and April 1826; but as Clausen's elliptic elements are 

 no longer accordant with observation, he has computed the following para- 

 bolic ones : 



Passage of Perihelion mean time at Altona, d 



1826, April 21. 98905 

 Log. Perihelion distance, ... 0.3034430 



Long. Perihelion — Long. Node, - - 279° 16' 31".l 



Long of Node, J Mean Equinox, ) - 1 97 38 9 3 



Inclination of Orbit, \ Jan. 1826, / - 40 2 33 1 



Motion Direct. 



2. Gambard's Elements of the Comet of 1826, in the Whale.— This comet 

 supposed to be that of 1772 and 1805, has already been noticed in No. ix. 

 p. 179, § 6. The following are the elements given by M. Gambard : 



