year 1817, signed by the master, or by the mate when the claim is made by the master, to be produced to the Society on or before the last Tuesday in December, 1817.

148. This Premium is extended one year further, on similar conditions.

FAMILY MILL.

149. To the person who shall invent and produce to the Society the best constructed mill for grinding corn for the use of private families, or parish poor; the construction to be such as to render the working of the mill easy and expeditious, and superior to any hitherto in use; the gold medal or thirty guineas.

The mill, and certificates of its having been used to good effect, to be produced to the Society on or before the first Tuesday in February, 1818. Cheapness and simplicity will be considered as essential parts of its merit; and the mill, or a model, to remain with the Society.

The mill, and certificates of its efficacy from actual use, to be produced to the Society on or before the last Tuesday in February, 1818.

A PORTABLE OVEN.

151. To the person who shall invent and produce to the Society a portable oven, superior to any hitherto in use; the silver medal, or twenty guineas.

The oven, with certificates that it has been found to answer in use, to be produced to the Society on or before the last Tuesday in February, 1818.

MACHINE FOR RAISING COALS, ORE, &c. &c.

152. To the person who shall invent a machine for raising coals, ore, &c. from mines, superior to any hitherto known or in use; and which shall produce the effect at a less expense than those already known or in use; the gold medal, or fifty guineas.

A model of the machine, made on a scale of not less than one inch to a foot, with a certificate that a machine at large on the same construction has been advantageously used, to be produced to the Society on or before the second Tuesday in Feb. 1818. IMPROVED WALKING-WHEEL,

OR CRANE.

153. To the person who shall invent an improved walking-wheel or crane, on which the weight or power of any person or persons shall be applied with the greatest safety

and effect, and so contrived that the power can be varied according to the greater or less weight to be raised or lowered; the gold medal, or thirty guineas.

The model on a scale of not less than one inch to a foot, with a proper certificate that the machine at large has been employed to good effect, to be produced to the Society on or before the second Tuesday in February, 1818.

MACHINE FOR RAISING
WATER.

154. To the person who shall invent a machine on a better, cheaper, and more simple construction than any hitherto known or in use for raising water out of wells, &c. from a depth of not less than fifty feet; the gold medal, or thirty guineas.

Certificates of the performance of the machine, and a model of it, on a scale of not less than one inch to a foot, to be produced to the Society on or before the first Tuesday in February, 1818.

EXTINGUISHING FIRES.

155. To the person who shall produce to the Society the best and most effectual method of procuring an immediate supply of water in case of fire, or for the means best calculated to prevent or extinguish accidental fires in buildings, superior to any now in use; the gold medal, or thirty guineas.

Certificates of the method having been practised with success, with a full description thereof, to be delivered to the Society on or before the second Tuesday in January, 1818.

BORING AND BLASTING

ROCKS.

156. To the person who shall discover to the Society a more simple, safe, cheap, and expeditious method than any hitherto known or in use, of boring or blasting. rocks in mines, shafts, wells, &c.; the gold medal, or thirty guineas.

Certificates of the methods having been practised with success, with a full description thereof, to be delivered to the Society on or before the first Tuesday in January, 1818.

HEATING ROOMS FOR THE PURPOSE OF MANUFACTURERS. 157. To the person who shall inventand discover to the Society a method of heating rooms, superior to any hitherto known or in use, and at a moderate expense, for the purpose of painters, japanners, 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 be prevented; the gold medal, or thirty guineas.

A model or complete drawing and description 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, 1818.

IMPROVED VENTILATION,

158. To the person who shall invent and produce to the Society a mode of permanently ventilating the apartments 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, 1818.

PREVENTING ACCIDENTS FROM HORSES FALLING WITH TWO. WHEELED CARRIAGES.

159. 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 declivities; the gold medal, or thirty 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 with success, to be delivered to the Society on or before the second Tuesday in January, 1818.

IMPROVING TURNPIKE AND
OTHER ROADS.

160. To the personwho shall discover to the Society the most effectual and cheapest method, verified by actual experiments, of combining the materials ordinarily employed in making or repairing roads, so as to form them of the hardest consistency by their cementing properties, or by an artificial mixture of earth, stones, &c. altered by heat, or any other mode, so as to form an even, hard, and durable carriage-road; the gold medal, or thirty guineas.

It is required that an accurate account of the method used, and every expense attending it, together with satisfactory certificates of its being effectual, be delivered to the Society on or before the first Tuesday in March, 1818,

RAISING THE BODIES OF PERSONS WHO HAVE SUNK UNDER WATER.

161. 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 the purpose of taking up, in the best and most expeditious manner, and with the least injury, the

bodies of persons who have sunk unde water; the gold medal, or thirty guineas

The drag or machine, to answer th purpose intended, to be produced to th Society on or before the first Tuesday i March, 1818.

FOR PREVENTING PREJUDICIAL EFFECTS TO THE PERSONS EMPLOYED IN POINTING NEEDLES.

162. To the person who shall invent and produce to the Society a mode of obviating the prejudicial effects that attend the operation of pointing needles, by grinding them dry, during which the particles of grindstone-dust, and steel, being thrown into the air, and received with it into the lungs, occasion asthma, consumption, and other painful disorders; the gold medal, or thirty guineas.

A model of the apparatus, and a full account of the means by which the effect has been produced, together with proper certificates of its practicability and adoption, to be delivered to the Society on or before the second Tuesday in March, 1818.

FOR PREVENTING ACCIDENTS
FROM STAGE COACHES.

163. To the person who shall invent and discover to the Society a method or methods for preventing accidents arising from stage coaches; the gold medal, or thirty guineas.

Ample certificates of its efficacy, and a description of the method, with models of the machinery used, to be produced to the Society on or before the last Tuesday in February, 1818.

N. B. The Society wish to impress strongly on the public the necessity of turning their attention to the above premium, from the number of accidents that daily occur; and suggest whether they might not in some degree be prevented, by an alteration in the manner of placing the luggage.

A SUBSTITUTE FOR LEAD

PIPES.

164. To the person who shall discoveror invent and produce to the Society, a sub. stitute for the lead pipes used for conveying malt and other liquors from the cellars to the bars of public houses; the gold medal, or fifty guineas.

The substance of which the pipe is made must be free from any poisonous or noxious quality, equally durable as lead, and at a moderate expense; and a specimen thereof, not less than ten yards in length, with a complete description of the process employed in forming

it, must be produced to the Society on or before the last Tuesday in February, 1818.

PREVENTING EXPLOSIONS IN STEAM-ENGINE AND OTHER COVERED BOILERS.

165. To the person who shall invent and discover to the Society a method of ren

TAKING PORPOISES.

166. To the people in any boat or vessel, who, in the year 1818, shall take the greatest number of porpoises on the coast of Great Britain or Ireland, by gun-harpoon, or any other method, not fewer than thirty, for the purpose of extracting oil from them; the gold medal, or thirty guineas.

Certificates of the number, signed by the persons to whom they have been sold or delivered for the purpose of extracting the oil, to be produced to the Society on or before the last Tuesday in January

1818.

OIL FROM PORPOISES.

167. To the person who shall manufac ture the greatest quantity of oil from por poises taken on the coast of Great Britain or Ireland, in the year 1817, not less than twenty tons; the gold medal, or thirty guineas.

Certificates of the oil having been made from porpoises actually caught on the coast of Great Britain or Ireland, and two gallons of the oil as a sample, to be produced to the Society on or before the last Tuesday in February, 1818.

CURING HERRINGS.

168. To the person or persons who shall before January, 1818, cure the greatest quantity of white herrings, not less than thirty barrels, equal in all respects to the best Dutch herrings, the same being caught in the British or Irish seas, and cured in a British or Irish vessel or port; the gold medał, or fifty guineas.

169. For the next greatest quantity, not less than fifteen barrels; the silver me dal, or twenty guineas.

A sixteen-gallon barrel of the herrings to be produced to the Society on or be fore the first Tuesday in February, 1818, with certificates, that the conditions of the premium have been fulfilled, and that the whole were cured in the same manner as the specimen, together with a full descrip tion of the process employed.

CURING MACKAREL.

170. To the person or persons who shall, before January, 1818, cure the greatest quantity of mackarel, not less in number than ten thousand, in the best manner and to the satisfaction of the Society, the same being caught in the British or Irish seas, and cured in a British or Irish vessel or port; the gold Isis medal, or twentyfive guineas.

171. For the next greatest quantity, not less than five thousand; the silver medal or fifteen guineas.

A sixteen-gallon barrel of the mackarel to be produced to the Society on or before the first Tuesday in January, 1818, with certificates that the conditions of the premium have been fulfilled, and that the whole were cured in the same manner as the specimens, together with a full description of the process employed.

The same premiums to be extended one year further, on similar conditions.

N. B. Specimens of cured mackarel, which promise to afford a most valuable article of trade and food, even superior to herrings, have been sent to the Society, and have induced them to turn the attention of the public thereto, by offering the above premiums.

NUTMEGS.

172. Forthegreatest quantity of merchantable nutmegs, not less than ten pounds weight, being the growth of his Majesty's dominions in the West Indies, or any of the British settlements on the coast of Africa, or of the several islands adjacent thereto, and equal to those imported from the islands of the East Indies; the gold medal, or fifty guineas.

Satisfactory certificates, from the governor or commander in chief, of the place of growth, with an account of the number of trees, their age, nearly the quantity of fruit on each tree, and the manner of culture, to be produced on or before the first Tuesday in January, 1818.

KALI FOR BARILLA.

173. To the person who shall have cultivated, in the Bahama Islands, or any other part of his Majesty's dominions in the West Indies, or any of the British settlements on the coast of Africa, or the several islands adjacent thereto, in the year 1816, the greatest quantity of land, not less than two acres, with Spanish kali fit for the purpose of making barilla; the gold medal, or thirty guineas.

174. For the next greatest quantity, not less than one acre; the silver medal, or fifteen guineas.

Certificates, signed by the governor or commander in chief for the time being, of the quantity of land so cultivated, and of the state of the plants at the time of signing such certificates, to be delivered to the Society, with samples of the kali, on or before the second Tuesday in January, 1818.

DESTROYING THE INSECT COMMONLY CALLED THE BORER. 175. To the person who shall communicate to the Society an effectual method of destroying the insect commonly called the borer, which has of late years been so destructive to the sugar canes in the West India islands; the gold medal, or fifty guineas.

The discovery to be ascertained by satisfactory certificates, under the hand and seal of the governor or commander in chief for the time being, and of some other respectable persons, inhabitants of the islands, or other place, in which the remedy has been successfully applied; such certificates to be delivered to the Society on or before the first Tuesday in January, 1818.

CULTIVATION OF HEMP IN
UPPER CANADA.

176.Tothe person who shall sow with hemp the greatest quantity of land in the province of Upper Canada, not less than six arpents (each four-fifths of a statute acre), in the year 1816, and shall at the proper season cause to be plucked the summer hemp (or male hemp bearing no seed), and continue the winter hemp (or female hemp bearing seed), on the ground until the seed is ripe; the gold medal, or one hundred dollars."

177. To the person who shall sow with hemp the next greatest quantity of land in the same province of Upper Canada, not less than five arpents, in the year 1816, in the manner above mentioned; the silver medal, or eighty dollars.

178. For the next greatest quantity of land, in the same province, and in a similar manner, not less than four arpents; sixty dollars.

179. For the next greatest quantity of land, in the same province, and in a similar manner, not less than three arpents; forty dollars.

180. For the next greatest quantity of land, in the same province, and in a similar manner, not less than one arpent; twenty dollars.

Certificates of the number of arpents, the method of culture, of the plucking of the hemp, with a general account whether sown broad-cast or in drills, the expense, soil, cultivation and produce, to be transmitted to the Society, certified under the hand and seal of the governor or lieutenant-governor, together with 28lb. of the hemp, and two quarts of the seed, on or before the last Tuesday in April, 1818.