^76 .Proceedings of Societies. 



i!?8» To Mr Geokg^: Buchanan, civil engineer, Edinburgh, the Socie- 

 ty's silver medal, value L. 5, 5s. for his protracting table. 



3. To Messrs James Dowie, boot-maker, Frederick Street, Edinburgh, 

 and Alexander Black, surveyor, Edinburgh, the Society's silver medal, 

 value L. 5, 5a. for their machine for the use of boot and shoe-makers, of 

 whicli a description was read, and a model presented to the Society. 



4.. To Messrs George and James Nasmyth, Edinburgh, the Socie- 

 ty's silver medal, value L. 6, 6s. for their method of easing the motion of 

 complex pulleys. 



5. To Mr James Brodie, Aberdeen, the Society's silver medal, value 

 L. 5, 5s. for his description and drawing of a double-jointed parallel mo- 

 tion. 



6. To Mr Alexander Doig, watch-maker, Musselburgh, the Society's 

 silver medal, value L.5, 5s. for his description of the model of a clock yien- 

 dulum without the crutch. 



7. To Mr DavidWhitelaw, watch-maker, Prince's Street, Edinburgh, 

 the Society's silver medal, value L. 5, 5s. for his description and drawings 

 of a clock pendulum without the crutch, and in which the pendulum re- 

 ceives the impulse directly from the swing wheel. 



8. To Mr John Henderson, Brechin Don^ the Society's silver medal, 

 for his account of a life boat. 



9. To Andrew Waddell, Esq. Hermitage Hill, Leiih, the Society's 

 silver medal, for his description of a boat or punt for the conveyance of 

 stones and other materials used in the construction of break- waters, &c. 



10. To the Rev. George Tough, Aytoun Manse, the Society's silver 

 medal, for his description and model of an apparatus for sweeping chini- 

 neys, and preventing the use of climbing boys. 



The names of the successful candidates were called over, and the Pre- 

 sident delivered to them their prizes, with an appropriate address. 



The descriptions, drawings, and models of inventions, for which the 

 above prizes were given, were laid on the table and exhibited to the meet- 

 ing. 



Printed lists of prizes offered by the Society for communications given 

 or to be given in betwixt 1st January 1829 and 1st January 1830 were 

 distributed, and ordered to be advertised. 



The Committee on Mr Henry's method of applying the band to the 

 pulley to the foot-lathe, not being ready to report, was continued. 



The Committee on Mr Aytoun's lighthouse machinery, and on Mr Ste- 

 venson's communications relative thereto, gave in their report, which was 

 approved of by the Society. 



ProfessorWALLACE exhibited and described his eidograph,an instrument 

 for copying, enlarging, or reducing plans, pictures, &c. for which he ob- 

 tained the Society's gold medal on a former occasion ; and took occasion Ip 

 point out the superiority, in the accuracy of its work, and the ease of its 

 movements to the pentograph, the instrument hitherto generally used. 

 The Professor, exhibited in great variety, specimens of the work done by 

 his eidograph, with which several scientific gentlemen present expressed 

 themselves highly pleased. 



