166 Prcceedings of the Society of Avis. 



(2.) Degcription of a Plan by which the Blind may be taught to 

 write a common Current Hand, as small and as elegant in its forms 

 ^s that generally used by those who see. By Mr James Gall jun, 

 printer, Edinburgh, M.S.A. 



(3.) Description of a New System of Arithmetical and Geometrical 

 Notation for the Blind, in which no Apparatus is required further 

 than Common Pins and a Cushion (or any thing into which the 

 pins may be thrust, such as a soft Chair, or a bed), in order to per- 

 form the longest and most difficult calculations in Arithmetic and 

 Algebra, — and in Geometrical Problems the same are necessary, 

 with the addition of a pair of Wooden Compasses, one leg of which 

 is a straight edge, and the other a scale for measurement. By the 

 same. 



(4.) Remarks on Pointing Naval Ordnance ; and Suggestion of a 

 new method of ascertaining the precise moment when a Gun ar- 

 rives at horizontal position. By T. B. College, Post-office, Edin- 

 burgh. 



(5.) Donation. — On the manner in which Friction affects the mo- 

 tions of Timekeepers. By Edward Sang, Esq. teacher of mathe- 

 matics, Edinburgh, M.S.A. &c., July 1835. From the Author. 



(6.) The Committee on an Alphabet and mode of Printing for the 

 use of the Blind, reported progress. 



(7.) The Committee on Mr Macgregor's Escapement reported. 



The following Candidates were admitted as ordinary members, 

 viz :-^ 



1. Mr James Mackay, Goldsmith, 24. Forth Street ; 2. J. Stewart 

 Hepburn, Esq. of Colquhalzie,by Crieff"; 3. Mr Alexander Stewart, 

 painter, 88 Prince's Street. 



April 13 Mungo Ponton, Esq. Councilloz', in the Chau*. The 



following communications were laid before the Society: — 



(1.) On a Systematic Method of Measuring Surface and Solidity. 

 By Mr John Sang, land-surveyor, Kircaldy. 



(2.) Description and Drawing of a Simple plan for enabling Blind 

 persons to communicate in Writing with their seeing Friends. By 

 Mr John St Clair, teacher of music, Monteith's Close, 61 High 

 Street, Edinburgh. The Writing-Board was exhibited. 



(3.) On the Use of Steam in the Economizing of Fuel. By An- 

 drew Fyfe, Esq. M.D., M.S.A. 



{ (4.) Notice of a New Pocket Box Circle, for making Observations 

 at Sea or on Land. By William Galbraith, Esq. teacher of ma- 

 thematics, Edinburgh, M.S.A — The Instrument was exhibited. 



(.5.) Notice of an Improvement in the Construction of Wollaston's 

 Goniometer. By Edward Sang, Esq. teacher of mathematics, 

 Edinburgh, Vice-Pres. Soc. Arts. — The Apparatus was exhibited. 



The following candidates were admitted as Ordinary Members, 

 viz. 



1, Cunninghame Borthwicfc, Esq. 27 Albany Street ; 2. James Graham, 

 Esq. of Leitchtown, 2 Rutland Square; 3. John Thomson, Esq. 

 professor of music, 32 Koyal Circus. 



