Premiums -in 



«iiaie supply of water in case of fire, or for the 

 means best* calculated to prevent or extinguish 

 accidental fires in buildings, superior to aiiy 

 now in use; the gold medal, or thirty guineas. 

 Certificate* of the method having been prac- 

 tised with Success, with a full description 

 thereof, to be delivered to the Society on or 

 before the second Tuesday in Jan. 180.9; 



165. Boring and Blasting Hocks. To 

 the person who shall discover to the Society a 

 more simple, cheap] and expeditious method 

 than any hitherto known or in use of boring 

 and blasting rocks in mines, shafts, wells, ice. ; 

 the gold medal, or thirty guineas. Certificates 

 of the method having been practised with suc- 

 cess, with a full description thereof, to be de- 

 livered to the Society on or before the first 

 Tuesday in January, 1 805. 



166. Heating Rooms for the pur- 

 poses of Manufacturers. To the person 

 who shall invent and discover to the Society a 

 method of heating rooms, superior to any 

 hitherto known or in use, and at a moderate 

 expense, for the purposes of painters, japan- 

 ners, and other manufacturers, so as to avoid 

 the necessity of iron or copper tunnels going 

 through the rooms to convey the smoke, 

 whereby the danger from such tunnels may he 

 prevented ; the gold medal, or forty guineas. 

 A model, or complete drawing and descrip- 

 tion of the method, with certificates that it has 

 been successfully practised, to be delivered to 

 the Society on or before the last Tuesday in 

 March, 1805. 



167. Improved Ventilation. To the 

 person who shall invent and produce to the So- 

 ciety a mode of permanently ventilating the 

 ftpartments in hospitals, workhouses, and other 

 crowded places, superior to any now known 

 or used ; the gold medal, or fifty guineas. 

 A model of the apparatus, and a full account 

 of the means by which the effect has been pro- 

 duced, with proper certificates, to be delivered 

 to the Society on or before the last Tuesday in 

 February, 1805. 



168. Preventing Accidents from 

 ■Horses Falling with two-wheeled 

 Carriages. To the person who shall invent 

 and produce to the Society a method superior 

 to any hitherto known or in use, to prevent 

 accidents from the falling of horses with two- 

 wheeled carriages, especially on steep decli- 

 vities ; the silver medal, or fifteen guineas. A 

 model of the apparatus, and a full account of 

 the means by which the effect has been pro- 

 duced, with proper certificates that the same 

 has been used with success, to be delivered to 

 the Society on or before the second Tuesday in 

 January, 1805. 



169. Improving Turnpike and other 

 Roads. To the person who shall discover to 

 the Society the most effectual and cheapest 

 method, verified by actual experiments, of 



Meek 



MUZ'S. 



m 



combining the materials ordinarily employed 

 in making or repairing roads, so as to form them 

 Of the hardest consistence by their ceinemiug 

 properties^ or by an artificial mixture of earth, 

 stones, ixc. altered by heat or any other mode, 

 so as to form an even, hard, and durable car- 

 riage-road, not liable to be injured by heat or 

 rain ; the gold medal, or fifty guineas. It is 

 requited that an accurate account of the me- 

 thod used, and every expense attending it. 

 together with satisfactory certificates of its 

 being effectual, be delivered to the Society oa 

 or before the first Tuesday in March, 1805. 



170. Cleansing Chimnies. To the per- 

 son who shall invent and produce to the So- 

 ciety the most effectual mechanical or other 

 means for cleansing chimnies from soot, and 

 obviating the necessity of children being em- 

 ployed Within the flues ; the gold medal. 



171. For the next in merit; the silver 

 medal. The mechanical, or oilier means, with 

 certificates of their having been used with 

 proper effect, to he produced to the Society on 

 or before the first Tuesday in January, 1805. 



172. Chimnies Cleansed- To the per- 

 son who shall during the year 1804 cleanse, 

 or cause to be cleansed, the greatest number 

 of chimnies, at least two stories high, not 

 fewer than three hundred, by any mechanical 

 or other process, which does not require the 

 employment of boys within the flut-s; the gold 

 medal. Certificates, signed by not less than 

 two-thirds of those housekeepers on whose 

 premises the said means have been employed, 

 and an account of the process, to be produced 

 to the Society on or before the first Tuesday m 

 February, 1805. 



173. To the person who shall cleanse, or 

 cause to be cleansed, the next greatest number 

 of chimnies, not fewer than one hundred and 

 fifty, upon similar conditions to the above ; the 

 silver medal. 



174. Raising the Bodies of Persons 

 who have sunk under Water. To the 

 person who shall invent and produce to the 

 Society a cheap and portable drag, or other 

 machine, superior to those now in use, for ilie 

 purpose of taking up in the best and most 

 expeditious manner, and with tlje least injury, 

 the bodies of persons who have sunk under 

 water ; ' the gold medal, or thirty guineas. 

 The drag, or machine to answer the purpose 

 intended, to be produced to the Society, on or 

 before the first Tuesday in March, 1805. 



PREMIUMS OFFERED FOR THE AD- 

 VANTAGE OF THE COMMERCE OF 

 THE UNITED EMPIRE. 



175. Taking Porpoises. To the people 

 in any boat or vessel, who. in the year. 1804, 

 shall take the greatest nuifter of porpoises on 

 the coast of Great-Britain or Ireland, by gun. 



