216 Proceedings of the Society of Arts. 



the effect of Height. By James D. Forbes, Esq., F.R.SS.L. & E. &c. 

 Printed in the Trans, of the Royal Soc. of Edui. 183?. From the Author. 

 12. Donation — Specimens of Ink and of Chalk Lithography. By Messrs 

 Leilh and Smith, Lithographers, 30 Hanover Street, Edinburgh. From 

 Messrs Leith and Smith. 



The following candidate was admitted an ordinary mem- 

 ber, viz : 



Mr William Cooper, patent glass manufacturer to the King, Picardy Place, 

 Edinburgh. 



21*^ June 1837. — John Shank More, Esq. Counsellor, in 

 the Chair. The following communications were laid before 

 the Society : 



1. Part third of the annual report on the state of the Useful Arts — ordered 

 by the Society : — being on the progress of exactitude in the manufacture of 

 machines. By Edward Sang, Esq. F.R.S.E., Couns. S.A teacher of mathe- 

 matics, and lecturer on Natural Philosophy, Edinburgh. 



2. Three specimens of Zincography drawing and printing. By Messrs Al- 

 lan and Ferguson, Zincographers, Glasgow, 



3. The standing committee on the best alphabet and method of printing 

 for the use of the Blind, gave in their report, which was read and approved 

 of, and ordered to be printed in the Society's transactions. 



4. Report of the committee on Mr Gall's printing on both sides of the 

 paper for the use of the Blind, was read and approved of, and ordered to be 

 printed along with the relative communication on that subject, and on the 

 fretted type, as an appendix to the principal report on printing for the Blind. 



5. Donation — The Constitution and Regulations of the Glasgow and 

 Statistical Society ; and part first of the transactions of that Society. (Glas- 

 gow, 1836.) Presented by James Cleland, Esq. LL. D. Glasgow, President 

 of that Society. 



6. The reports of the following committees were read and approved of: 



1 . On Mr Young's voltaic battery. 



2. On Mr Kemp's and Mr Rankine's railroad switches. Mr Dunn, Con- 

 vener. 



3. On Mr Roxbey's improved kitchen lamp. 



4. On INIr Weir's dome arch. 



."). On Mr Lothian's equable flow-cock. 



6. On Lieutenant A. M. Skene's paddle-wheel. 



1. On Mr Brown's mucilage of the Fuci. 



8. On Mr M'Fa lan's prevention of explosion in boilers. 



9. On the Rev. Mr Tough's Orrery. 



10. On Mr D. Macgregor's inside escapement. 



11. On Mr Milne's method of giving motion to a shaft lying at an angle. 



7. The report of the committee on I.Ir R. "Wilson's improved Vice — 

 (though ready and very favourable) — not being given in, was remitted to the 

 prize committee. 



8. The committee on Mr Kemp's and Mr Rankine's railroad switches, no 



I 



