Reflection of Light near the Polarising Angle Organic Synthesis Spectrum 

 Analysis Chemistry of the Electric Arc Liquid Oxygen and its Magnetic 

 Properties Liquid Atmospheric Air Liquid Fluorine Argon and its Properties 

 Densities of Gases liquid and Solid Hydrogen and the Properties of Matter 

 near the Zero of Absolute Temperature. 



The demands of modern scientific research, and the demonstration of the 

 results in the Lecture-room on the scale to which the Members of the Royal 



Institution have 

 costly apparatus 

 when provided. 

 that, up to the 

 contributions of 

 powerfully aided 



of Michevel Fa.raLda.y at the RoyeJ Institution 



By J. H. Foley, R.A. 



been accustomed, involve the provision of most complicated and 



, and also a large and continual expense in working this apparatus 



It is to the great credit of the Members of the Royal Institution 



present time, all these expenses have been defrayed by the 



the Members and of others appreciating the value of its- work, 



by the self-denial of the eminent men whose achievements shed 



( 9 ) 



