THIRTIETH ANNUAL REPORT. 



Jan. 23.-IN Honour of the Anniversary of the Birth of James 

 Watt (January 19). " The Forth Bridge.''' With Lime- 

 light Illustrations. By Archibald Barr, Esq., D.Sc, 

 M.Inst.C.E., Professor of Civil Engineering and Mechanics, 

 Glasgow University. 



„ 30. — '■'■The Glories of a Beam of Light P Illustrated by Experiments 

 and the Oxy-hydrogen Lantern. By Eric S. BrucE, Esq., 

 M.A., Oxon., F.R.Met.Soc, &c., London. 



Feb. 6. — " The Circulation of the Blood : a Chapter in the History of 

 Physiology." With Experimental Illustrations. By John 

 G. M'Kendrick;, Esq., M.D., LL.D., F.R.S., &c.. Professor 

 of the Institutes of Medicine, Glasgow University. 



„ 13. — '^Modern Photography." With Lime-light and other Illustra- 

 tions. By Edmund J. Mills, Esq., D.Sc, F.R.S. 

 Professor of Technical Chemistry, Glasgow and West of 

 Scotland Technical College. 



„ 20.—" The Bloody Mackenzie." By A. Taylor Innes, Esq., 

 Advocate, Edinburgh. 



„ 27. — '■'^ Metal Engraving: Its Technical Processes and Artistic 

 Results." With Lime-light and other Illustrations from the 

 Works of the most celebrated Line-Engravers, Mezzo- 

 tinters, Etchers, &c. By John M. Gray, Esq., F.S.A.Scot., 

 Curator, Scottish National Portrait Gallery, Edinburgh. 



With one exception, the programme issued at the beginning of the 

 course was carried through^the exception being the Musical 

 Lecture, which Mr. Carl Armbruster was unfortunately unable to 

 deli'ver. The Committee endeavoured to obtain a first-class lecturer 

 on music, but owing to the shortness of the notice they were 

 unsuccessful. The thanks of the Society are due to Dr. Ross for so 

 kindly coming to the assistance of the Committee, and fbr his 

 excellent Lecture. 



The Society is also greatly indebted to Mr. Archibald Denny, 

 Dumbarton, for his admirable Lecture on " Electricity and 

 its Practical Application," which he illustrated by numerous 

 beautiful experiments and lantern views : he also had the Hall 

 brilliantly lighted up by large sunbeam incandescent lamps. 

 Through the kind permission of Messrs. John Hastie & Co., a 

 complete electric installation was fitted up, and the current trans- 

 mitted from their Works to the Hall by cables erected by the 



