Conditions relating to Machinery. 
xxiii 
pressure (lie exhibitor thinks fit; but a pressure not exceeding one-half the 
" test" pressure is the utmost that will be allowed at any time during the 
whole time the steam is up for the Judges' purposes. 
3. Any engine which is entered for competition, or for working in the yard 
of " machinery-in-motion," which, from defect in construction or any other 
cause, is, in the opinion of the Judges and Consulting Engineer, unsafe, shall 
not be allowed to work on the Society's premises ; and further, the word 1 unsafe ' 
shall be attached to the engine during the remainder of the exhibition. 
4. The brick and tile machines will be. tested by a dynamometer, where 
practicable ; and machines intended to be worked by steam power must bo 
provided with proper riggers, pulleys, or drums, for the application of power to 
the machines. Those machines intended to be worked by hand-power must be 
provided with a pulley not less than 4 inches wide ; and such pulley or rigger 
must not be less in radius than the radius of the crank which is sent with 
the machine, and by which it is usually worked. 
5. Every Exhibitor of pipe-machines will be expected to bring a die, 
12 1 inches diameter, with the " button" or " triblet" 2 inches diameter ; and 
the machine must cut the pipes to the length of 13 J inches : also other dies, 
with triblets, for pipes varying from 1 to 4 inches diameter, or for larger pipes, 
if the machine is capable of making them. 
G. The ploughs to be drawn by horses will be tested by the dynamometer, 
care being taken that the state of the land, the depth and width of furrow, be 
as nearly equal as possible in each set of experiments. 
%• Forms of Certificate for entry, as well as Prize-Sheets for the Newcastle 
Meeting, containing the whole of the conditions and regulations, may be 
obtained at the Office of the Society, No. 12, Hanover Square, London. 
DATES OF ENTRY. 
Oektificates for the entry of Implements for the Newcastle Meeting must 
be forwarded to the Secretary of the Society, No. 12, Hanover Square, 
London (W.), by the 1st of May, and Certificates for the entry of Live 
Stock by the 1st of June. Certificates received after those respective dates 
will not be accepted, but returned to the persons by whom they have been 
sent. 
The Frizes of the Royal Agricultural Society of England, ai\d all Prizes 
offered by the Newcastle Local Committee, are open to general competition. 
