^14 Proceedings of the Society of Arts. 



liam Nicol, 4 East Adam Street, Edinburgh.— Illustrative Specimens were 

 exhibited. 



6. The report of Committee on Mr Symington's Escapement, read and ap- 

 proved of. 



7- The report of Committee on Mr Munro's Windlass, read and approved 

 of. 



8. Donation — Nos. 11-14 inclusive of the Journal of the Bahama Society 

 for the diffusion of knowledge. From the Bahama Society. 



9. Donation — Report by a Committee of the Royal Society of Edinburgh 

 'egarding the New Dioptric Light of the Isle of May. Dated 28th October 

 1836. Presented by John Robison, Esq. Sec. R.S.E., M.S.A. 



lOth May 1837— Sir John Graham Dalyell, V.P. in the 

 Chair. The following communications were laid before the 

 Society : 



1. Specimen of printing on uuoh sides of the paper, for the use of the Blind ; 

 — with a few remarks on its advantages, and probable influence on the price of 

 books for the blind. By Mr James Gall junior, printer, Edinburgh, M.S.A- 



2. Verbal notice relative to an oversight in Professor Babbage's table of 

 Logarithms, which may lead to erroneous conclusions. By William Gal. 

 braith, Esq. teacher of Mathematics, Edinburgh, M.S.A 



3. Description and Drawing of a new instrument called the Hannonometer 

 or measure of Harmony, exhibiting the nature of the major and minor keys 

 of musical composition ; the notes belonging to each and all of them, and the 

 relation between every major and its corresponding minor. Invented by Mr 



John Gray of Henderson Row, Edinburgh The description is printed, but 



was unpublished at the date of lodging. The Harmonometer was exhi- 

 bited. 



4. Notice of an improved Kitchen Lamp. By Mr Edward Roxbey, bas- 

 ket-maker, Glasgow. With a drawing. 



5. Model in Plaster of Paris and Drawing of a Dome Arch ; with a new me- 

 thod of applying the rules in working the beds of the arch stones. By Mr 

 John 'Weir, Venetian blind-maker, Glasgow. 



G. Model, Description, and Drawing of an Inside Pendulum Escapement. 

 By Mr Duncan Macgregor, Smith, Comrie. Communicated by the Rev. 

 D, T. K. Drummond, M.S.A. 



7- Model in Brass, and Description and Drawing of an Equable Flow-cock 

 for bottling Kquors without disturbing the sediment in the cask, and without 

 loss of time. By Mr John Lothian, 21 Atholl Crescent, Edinburgh. 



8. Donation — A Map of the Levels of Edinburgh and its Environs. By 

 Mr William IMofFal, Knightsbridge, London. Presented by Mr Mofiat — A 

 specimen frame for ditto, by Mr Alexander Crichton, printseller. West Re- 

 gister Street, M.S, A. was exhibited. 



9. Donation. — Printed Description of a patent Screw Mooring Machine for 

 mooring vessels. By Mr Dunn, Cur. Soc. Arts. 



10. Donation. — ^Printed Essay on the economical manufacture of Tiles and 

 Tile Soles for draining. By Mr John Coulter, builder and tile manufacturer, 

 Glasgow. Presented by Mr Coulter. 



