Proceedings of the Society of Arts. S97 



The following communications were laid before the Society 

 during the months of January, and February 1833:— 



January 8. — 1. Description and drawings of an Improved Ventila- 

 ting Warm Air Stove. By Mr Andrew Symmington, Kettle, Fife. 



2. On the Mode of Constructing Public Buildingsin relation to the 

 Theory of Sound, so as the Voice of the Speaker may be distinctly 

 heard ; with illustrative Diagrams. By Mr William Reid, Archi- 

 tect, 27. Charlotte Street, Glasgow. 



3. Model and Description of a Self-acting Apparatus for supplying 

 Water to the Boilers of High Pressure Steam-Engines. By Mr 

 Henry Spears, Auchtertool, Fife. 



4. Notice regarding Mr Ballingall's Plan for improving the Mer- 

 cantile Navy of Great Britain and Ireland ; and on the present mode 

 of Classifying Merchant Ships. Communicated by Mr James Bal- 

 lingall, Kirkaldy. 



The following Candidates were admitted Ordinary Members, viz. 



Mr Robert Ritchie, Ironmonger to the King, 241. High Street, and ' 



80. George Street, residing at 54. India Street, Edinburgh. 

 Mr James Smith, 8. Carlton Place, Edinburgh. 

 Mr John Smith, 8. Carlton Place, Edinburgh. 



January 22.-^1. Description and Drawing of an Improved Cannon. 

 By Mr Andrew Symmington, Kettle, Fife. 



2. Model and Description of a Window calculated to secure the 

 safety of Glaziers and Painters. By Mr Thos. Rutherford, Sieve- 

 wright, Haddington. 



3. Description of an Accurate and Cheap Air-Pump, constructed 

 at the suggestion of Charles Chalmers, Esq.. By Mr John Dunn, 

 optician, 50. Hanover Street, Edinburgh, Cur. Soc. Arts. — The in- 

 strument was exhibited, and some experiments performed with it. 



4. Donation.^Additional Specimens of Lithography. By Mr 

 Samuel Leith, lithographer, Banff, Assoc. Soc. Arts. 



5. Donation. — Specimen of the New Edition of the Encyclopaedia 

 of Gardening. By J. C. Loudon, Esq. Hon. Memb. Soc. Arts. 

 — From the Author. 



The following Candidates were admitted Ordinary Members, viz : — 



William ikurray, Esq. of Henderland, 126. George Street, Edinburgh. 

 James Wier, Esq. M. D. Lynedoch Place, Edinburgh. - 



February 5. — 1. An Essay on the Causes of Obstructions in Water 

 Pipes and Syphons by disengaged Air ; and the Construction of an 

 Air Extractor for removing them. By J. S. Hepburn, Esq of Colquhal- 

 zie, by Crieff. — A working Model and Drawings of the Air Extractor 



VOL. XVI. NO. XXXII. APRIL 1834. D d 



