[ 50 ] 
A model or hiodels of the fald apparatus to be produced, 
and claims made on or before the firft of January 1791. 
10. Dejlroying Smoke in Glafs-Houjes.— To the perfon 
who lhall difeover and make known to the Society, on or 
before the firft of Oaober 1791, a cheap, eafy, and effetlual 
method of deftroying the' Smoke of Glafs-Houfes, Fire- 
Engines, Furnaces, &c. afeertained by experiments properly 
attefted, in order to prevent their being an annoyance to the 
neighbourhood • an Honorary Premium of Plate. 
11. Ploutrk for Potatoe Crops.— Throo Guineas or a Piece 
of Plate of'^equal value, will be given to the inventor of the 
beft new-conftruaed Plough for ploughing up Potatoe Crops, 
by which the work may be done with the leaft lofs or damage 
to the crop. The faid plough to be fent to the Society on 
or before the firft of September ^1790, that trials may be 
made previous to the meeting in November. 
12. Nlachine for Floating Pajlure Lands. To the perfon 
who lhall invent and make a better Machine than has yet 
been conftrufbed, lor raifing Water to float Pafture Lands; 
Twenty Guineas. 
The faid Machine to be worked either by wind or water, 
and to raife water at leaft four feet above the furface of the 
llream whereon it is placed. 
A model of the faid Machine, with a certificate teftifylng 
That the Machine itlelf has been worked, and found effec- 
tually to anfwer the purpofe, to be produced at or before the 
Society’s meeting in November 1790. 
N. B. The more fimple and cheap the conftruaion, and 
the lefs attendance required, the greater will be its merit. 
of 11 
men 
T 1 
Cl 
kfort 
A( 
Socle 
effefti 
BuM 
^^ekd, 
^ 16. 
year v 
greatel 
Three < 
ij.}. 
/lerfon v 
juantity 
and tliat 
Vieceofl 
KB.C 
Mofl 
li Fria 
« or pari/] 
iiSocietr n 
iQ. Iland-MilL— To the perfon who lhall conftruff and 
prefent to the Society, on or before the firft of September 
1790, the beft Hancf-mlll for grinding wheat for private 
families, which fliall be different from, and Itir fimphcity, 
cheapnefs, and clfeH fuperior to any now m ufe; leu 
Guineas, or a Silver Cup of that Value. 
14. Italian Method cf Killing Cattle. 
Five Guineas value will be given to the Butcher, who, in the 
Tfc, 
i fiat th 
-A Silver Cup of 
7' ■‘‘tatnt 
holier cJul 
year 
1700, lhall kill the greateft number of Horned Cattle, 
^ ^ Sheep. 
tnat no 
-re be i 
leir Hoc 
