134 Henry Riddelt on 



The following is a list of the papers contributed to our 

 Society by Dr. Andrews, and will be interesting to our members : — 



6th April, 1836. — Construction of electro magnets. 



4tli October, 1837. — Electrical conduction. 



17th January, 1838. — Flame and the oxy-hydrogen blow-pipe. 



6th February, 1840. — Some recent applications of galvanitm to the, arts. 



31st March, 1841.— Radiant heat. 



10th March, 1842.— On the subject of heat. 



15th February, 1843. — On the heat of combination. 



31st January, 1844. — On animal heat, 



23rd April, 1845. — Some recent discoveries in organic chemistry. 



13th May, 1846. — An account of Dr. Faraday's recent discoveries in 



magnetism. 

 4th November, 1846.— The heat developed in combustion and other 



cases of chemical action. 

 30th December, 1846. — The construction and method of using certain 



meteorological instruments. 

 ICth April, 1851. — (1) On certain applications of polarised light to 



chemical analysis ; (2) on the presence of magnesia in 



magnetic iron ore. 

 17th December, 1851. — On the spheroidal condition of bodies. 

 9th March, 1853. — Communication on the construction and use of 



certain meteorological instruments and results obtained during 



the previous two years at Queen's College. 

 8th March, 1854. — Composition and properties of o/.one. 

 1 5th November, 1854. — Photography. 



18th March, 1857. — Preparation and properties of aluminium. 

 4th November, 1857. — The manufacture of stearic acid and other j 



analogous bodies employed for illuminating purposes. 

 19th January, 1859. — The metals of the alkalies and alkaline earth. 

 7th March, 1860. — Recent researches regarding the properties of some! 



of the chemical elements. 

 2nd May, 1866. — Spectrum analysis. 

 8th April, 1868. — Atmospheric ozone. 

 17th February, 1869.— The mechanical analysis of rocks. 

 23rd February, 1870. — The continuity of the liquid and gaseous states! 



of matter. 

 3rd March, 1875. — The analysis of the Bally nahinch water. 

 17th March, 1875.— Electro-magnetic machines and the recent ii 



provements on them by M. Gramme. 



