Proceedings of the Society of Arts. 401 



George Lorimer, builder, Keir Street, Edinburgh ; George Dundas, en- 

 gineer, Dundas Castle; J. B. Blyth, student of medicine, 32 Dundas 

 Street; C. D. May, punch-cutter, 26 Clarence Street; Bindon Blood, 

 M.R.I. A., F.R.S.E., 22 Queen Street. 



Feb. 14. — Sir John Graham Daly ell, Kt., President, in the 

 chair. The following communications were laid before the So- 

 ciety : — 



1. Notice of a singular phenomenon connected with the rotatory mo- 

 tion of fluids. By Edward Sang, civil engineer and machinist, Edinburgh, 

 F.R.S.E., M.S.A.— Thanks voted. 



2. Observations relative to a model of a vessel to be propelled by oars 

 in place of tlie common paddles at present in use in steam navigation. By 

 James Kilpatrick, engineer, Musselburgh. A working model was exhibit- 

 ed. — Referred to a committee. 



3. Drawing and Description of a grinding machine, which is used in- 

 stead of a turning-lathe for giving a truly cylindrical form to the rims of 

 pulleys and drums. 



Also Drawing and Description of a machine for grinding pulleys round 

 on the rim. By James Whitelaw, 18 Russell Street, Glasgow. — Referred 

 to a committee. 



4. Four methods of palpable printing for the use of the Blind. By Mr 

 M'Farlane, Comrie. 



5. The committee on Mr Thomas Robertson's improved vertical watch, 

 lever do., chronometer, reported. 



6. An arbitrary alphabet for the Blind. By Richard Hunter, Esq., 

 H.E.I. C. Service, Doune Terrace. — Thanks voted. 



The following candidates were admitted as ordinary mem- 

 bers, viz. : — 



Mr Hugh Morton, engineer, Leith Walk ; Mr James Trotter, teacher, 

 10 North St David Street ; Andrew Dunlop, Esq., W.S., Scotland Street; 

 John Wilkie, Esq. of Foulden ; W. F. Lindsay Carnegie, Esq. Kinbleth- 

 mont ; Mr Alexander Beattic, smith, 35 Canal Street ; Mr Thomas Sum- 

 mers, merchant, 107 South Bridge. 



Feb. 28. — Sir John Graham Dalyell, Kt., President in the 

 Chair. The following communications were laid before the So- 

 ciety; — 



1. Description (Part 1st) of the Phoroscope, an instrument for measur- 

 ing Time and Velocity. By Edward Sang, civil engineer and machinist, 

 Edinburgh, F.R.S.E., M.S. A. The instrument in an unfinished state was 

 shewn. 



2. A method of taking the Plaster of Paris from the Types after Stereo- 

 typing, without injuring the Tj-pes. By Mr George Richardson, ^6 Mil- 

 ler Street, Glasgow. — ^Referred to a committee. 



