Proceedings of the Society of Arts. 407 



Bridges, and other works in that country. By David Stevenson, Civil 

 Engineer, M.S. A. 1838. From the Author. (694) Thanks voted. 



5. Donation.— Account of the Invention of the Pantograph, and a De- 

 scription of the Eidograph, a copjdng instrument invented by William 

 Wallace, A. M., F. R. S. E., &c.. Professor of Mathematics in the Univer- 

 sity of Edinburgh. From the Transactions of the Royal Society of Edin- 

 burgh, Vol. XIII. From the Author. (595.) Thanks voted. 



^ Mr F. E. Seeligmann, Punch-cutter, Edinburgh, was admitted an Or- 

 dinary Member. 



26/'/* December. — Annual General Meeting, for the purpose 

 of awarding Premiums. Sir John Graham Dalyell, President, 

 in the chair. The following communications were laid before 

 the Society : — 



1. The Report of the Prize Committee, awarding the Prizes for Session 

 1837-8 was read; and the Prizes were delivered by the President to the 

 successful Candidates. 



1. to Mr Edward Sang, F.R.S.E.,_CiviI Engineer and Machine 



Maker, Edinburgh, for a Notice of a Dioptric Light erected at 

 Kirkaldy ; with a Description and Drawings of the Apparatus 

 used by him for cutting the Annular Lens to the true optical 

 figure;— read, and the apparatus exhibited, 25th April 1838:— 

 printed in the Society's Transactions, 1838. (552.) 



The Keith Medal, value Twenty Sovereigns. 



2. To Mr James Whitelaw, 18 Russell Street, Glasgow, for a 



Description, with Drawings, of a Grinding Machine, which is 

 used instead of a Turning-lathe for giving a truly cylindrical 

 form to the rims of Pulleys and Drums ; and more particularly 

 for a Drawing and Description of a Machine invented by him 

 for grinding Pulleys round on the rim;— read and exhibited 14th 

 February 1838;— and printed in the Society's Transactions, 



^^^^* (512.) 



Tlie Society's Silver Medal, value Ten Sovereigns. 



3. To John Alston, Esq. Hon. M. S. A. Honorary Treasurer to 



the Glasgow Asylum for the Blind, for Specimens of a series 

 of Fables, with Woodcut Illustrations, then in progress of being 

 printed by him for the use of the Blind at Glasgow ;_pxhibited 

 30th May 1838, (568.) :— Also for his Musical Catechism, with 

 Tunes for the use of the Blind, printed in raised Characters at 

 the Glasgow Blind Asylum ;— exhibited Kjth May 1838, (559.)- 

 —•and, generally, for his zealous, energetic, and benevolent exer- 

 tions for the education of the Blind. 



The Society's Silver Medal, or a piece of Plate, value Ten 

 Sovereigns. 



4. To Mr George Wilson, 77 Broughton Street, Edinburgh, for his 



Model sent in competition for the Prize offered for " a conve- 

 nient and simple method of increasing or diminishing the dis- 

 tance of the Floats from the centre of the common Paddle- 



