Premiums in Colonies and Trade. 



10.9 



more simple, cheap, and expeditious method 

 than any hitherto known or in use of boring 

 and blasting rocks in mines, shafts, wells, &c. ; 

 the gold medal, or thirty guineas. Certificatei 

 of the method having been practised with suc- 

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

 vered to the Society on or before the first Tues- 

 day in January, 1803. 



142. 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 hither- 

 to known or in use, and at a moderate expense, 

 for the purposes of painters, japanners, and other 

 in umfactuier*, 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 be prevented ; the gold me- 

 dal, or forty guineas. A model, or complete 

 drawing and description of the method, with 

 certificates that it has been successfully practis- 

 ed, to be delivered to the Society on or before 

 the last Tuesday in March, 1803. 



143. Jmprovfp Ventilation. To the 

 person who shall invent and produce to the So- 

 ciety a mode of permanently ventilating the 

 apaitments 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 produced, with 

 proper certificates, to be delivered to the Society 

 on or before the last Tuesday in February, 

 1803. 



144. Mill Stones. To the person who 

 shall, between the first of February, 1802, and 

 the first of February, 1803, prepare and bring 

 into usie the greatest number or mill stones, 

 taken from any quarry in the United Kingdoms, 

 equal in quality to the French burrs, not less 

 than thirty pairs; the gold medal, or thirty 

 guineas Certificates that the said mill stones 

 were all taken from the same quarry, with 

 their prices and dimensions, that they arc equal 

 to the French burr, not less than three feet eight 

 inches diameter, and are actually in use, to be 

 produced to the Society on or before the third 

 Tuesday in February, 1803. 



145. For the next greatest quantity, not less 

 than twenty-five pair; the silver medal, or 

 fifteen guineas, on similar terms. 



14'». Preventing Accidents from 

 Horses falling with two-wheeled 

 Carriaces. To the person who shall invent 

 and produce to the Society a method superior 

 to any hitherto known or in use, to prevent ac- 

 cidents from the fajling of horses with two- 

 wheel carriages, especially on steep declivities; 

 the silver medal, or fifteen guineas. A model 

 of the apparatus, and a full account of the 

 means by which the effect has been produced, 

 with proper certificates that the same has been 

 used wijfi success, to be delivered to the So- 



ciety on or before the second Tuesday in Jan. 

 1803. 



147. Clearing the Turnpike and 

 other Roads in Winter from Mud, 

 and in Summer from Dust. To the per- 

 son who shall discover to the Society the most 

 effectual and the cheapest method, verified by 

 experiments, of clearing the turnpike and ether 

 roads of great resort, in winter from mud, and 

 in summer from dust, or most effectually pre- 

 venting the accumulation of cither ; the gold 

 medal, or fifty guineas. 



148, For the second best account ; the silver 

 medal, or twenty guineas. It is required that 

 an accurate account of the method used, and 

 every expense attending it, together with satis- 

 factory certificates of its being effectual, be de. 

 livered to the Society on or before the first 

 Tuesday in March, 1803. 



PREMIUMS OFFERED FOR THE AD^ 

 VANTAGE OF THE BRITISH COLO- 

 NIES. 



149. Nutmegs For the greatest quantity 

 of merchantable nutmegs, not less than ten 

 pounds weight, being the growth of his Ma- 

 jesty's dominions in the West Indies, or any 

 of the British settlements on the coast of Africa, 

 or the several islands adjacent thereto, and 

 equal to those imported from the islands of the 

 East Indies ; the gold medal, or one hundred 

 guineas. Satisfactory certificates, from the go- 

 vernor, or commander in chief, of the place of 

 growth, with an account of the number of trees, 

 their age, nearly the quantity of f.uit on each 

 tree, and the manner of culture, to be produced 

 on or before the first Tuesday in December, 

 1802. 



150. Cloves. For importing into the port 

 of London, in the year 1802, the greatest 

 quantity of cloves, not less than twenty poundt 

 weight, being of the growth of some of the 

 islands of the West Indies subject to the crown 

 of Great Britain, or any of the British settle- 

 ments on the coast of Africa, or the several 

 islands adjacent thereto, and equal in goodnesi 

 to the cloves brought from the East Indies; the 

 gold medal, or fifty guineas. Samples, not 

 less than two pounds weight, with certificates 

 that the whole quantity is equal in goodness, 

 together with satisfactory certificates signed by 

 the governor, or commander in chief, of the 

 place of growth, with an account of the number 

 of trees growing on the spot, their age, and the 

 manner of culture, to be produced to the So- 

 ciety on or before the first Tuesday in Januaiy, 

 1803. 



151. Plantations of Bread-Fruit* 

 Trees. To the person who shall have raised 

 in any of the islands of the West Indies subject 

 to the crown of Great Britain, or in any of the 

 British settlements on the coast of Africa, or 



