FOURTH MEETING. 



FOURTH MEETING. 



Fourth meeting, 24th November, 1888, the President in the 

 chair. 



Donations and Exchanges since last meeting, in. 



Mr. Charles Levey read a paper on " Heat and Heating 

 Buildings," which was devoted to the theory and practice re- 

 lating to the construction of heaters for heating buildings by 

 hot water, also to the philosophy of the art a3 demonstrated 

 by a large number of experiments conducted on a commercial 

 scale by the writer, and to the noting of all incidents of interest 

 and value growing out of the experiments, together with 

 quotations and illustrations from eminent authors supporting 

 the conclusions drawn from the experiments referred to. 

 Mr. Levey also gave his own illustrations of leading features 

 and a concise summary of the root principles involved. 



FIFTH MEETING. 



Fifth Meeting, ist December, 1888, Dr. Kennedy in the 

 chair. 



Donations and Exchanges since last meeting, 43. 



Mr. W. A. Sherwood was elected a Member. 



Mr. W. A. Douglass, B.A., read a paper on " Wealth and Its 

 Measurement," and illustrated the subject by diagrams He 

 said : — 



We are so much accustomed to speak of a man's wealth in terms 

 of value, that it is commonly accepted that an increase of value is 

 coincident with an increase of wealth. But since value may arise in 

 two ways — 1st, by labour producing commodities; 2nd, by some 

 commodity becoming scarce — a statement of value unless accompanied 

 with a statement of the quantity of commodity can give us no idea 



