168 Proceedings of the Society of Arts » 



the Compressibility of Water to practical purposes ; read 22d 

 April 1835. 



2. To the Rev. Edward Craig, A.M. Oxon. Counsellor Soc. Arts 

 —for his notice of arrangements for Measuring the Angles of Crys- 

 tals viewed under a high magnifying power ; read and exhibited 

 20th May 1835. 



3. To Mr John Dunn, optician, 50 Hanover Street, Edinburgh, 

 Curator Soc. Arts — for his new Klinometer, which serves as a por- 

 table surveying instrument, or Theodolite; exhibited 22d April 1835. 



4. To Mr James Edgar jun. 6 Newington Place, Edinburgh — 

 for his model and description of a method of constructing Wooden 

 and other Bridges ; read and exhibited llth February 1835. 



5. To Mr John Adie, optician, 58 Prince's Street, Edinburgh — 

 for his notice of a new method of Cutting, Drilling, and Working 

 Glass, Porcelain, &c., by means of Turpentine ; communicated to 

 him in London. 



The following gentlemen were admitted as ordinary members, 

 viz — 



1. Mr James Gall jun., printer, 24 Niddry Street; 2. Mr William Gal- 

 braith, teacher of mathematics, 54 South Bridge ; 3. Mr AValter 

 Sibbald, ironmonger, 8 Meadow Place ; 4. John 11. Skinner, Esq., 

 Vv W.S., 5 Roxburgh Place. 



May 25. — Mr Professor Forbes, Vice-Pres. in the chair. The 

 following communications were laid before the Society : — 



1. A new Anemometer, by which the most minute changes in 

 the force or velocity of the wind, or current of air, may be mea- 

 sured. Invented and constructed by Mr R. Adie, optician, Liver- 

 pool. Communicated and described by Mr John Adie, optician, 

 Edinburgh. 



2. On the Construction of a Fluid Engine, acting by Atmos- 

 pheric Pressure. By Mr T. Borthwick, 1 Broughton Place, Edin- 

 burgh. 



3. On the Effect of Atmospheric Pressure on the Steam-Engine, 

 as usually constructed. By the same. 



4. On condensing by contact. By the same. 



5. On Substitutes for Paddle- Wheels in Steam-Boats for Canal 

 Navigation. By the same. 



The following Reports of Committees were read and approved 

 of, viz. — 



6. On Smithes Instrument for Cutting Coats. 



7. On Gall's Maps for the Blind. 



8. On fall's New Notation for Music. 



9. On Gall's Plan of Teaching the Blind to Write. 



10. On Gall's New System of Arithmetical and Geometrical 

 Notation for the Blind. 



11. On St Clair's Writing Board for the Blind. 



12. On Dr Fyffe's Use of Steam in economizing Fuel. 



13. On Mr Galbraith's Pocket Box Circle. 



14. On Mr Sang's Improvement in the construction of Wollaston's 

 (^oiometer. 



