xxvi 



Agricultural Implements : Conditions. 



and the thickness of the plates in the boiler, the distance and 

 diameter of the rivets, also the leading particulars of the engine 

 he intends to exhibit, such as horse-power of the engine, diameter 

 of the cylinder, length of stroke, number of strokes per minute, 

 diameter of crank-shaft (and whether it is made of wrought or cast 

 iron), diameter and weight of fly-wheel, diameter of driving- 

 pulley, which should not be less than 6 inches wide, nor travel less 

 than 1200 feet per minute. The drawings and specifications relat- 

 ing to the Prize-Engines will remain the copyright-property of the 

 Society. The engine exhibited must be supplied with a governor, 

 and have a starting cock to regulate the supply of steam, and be 

 fitted with a thread equal to the 2-inch gas-pipe. — The Judges will 

 be instructed to employ in the trial of the steam-engines an 

 apparatus known as a Force-Kesister, as a test of power, such 

 apparatus consisting of a friction-break, to supply and regulate the 

 friction required to balance the power of the engine, as well as 

 to show the utmost resistance for any quantity of power the 

 engine on trial may require. 



No. 29. — With the Draining Tile or Pipe Machine^ specimens of the tiles or 

 pipes will be required to be shown in the yard ; the price at which 

 these have been sold must be stated, and will be taken into con- 

 sideration ; and proof of the working of the machine itself to be 

 given to the satisfaction of the Judges. 



Hand and Power Machines — The Exhibitors of such machines as 

 are usually worked by hand must provide and fix on them pulleys 

 not less than 4 inches wide, such pulleys to be equal in diameter 

 to twice the length of the winch that the machine is usually 

 worked with. The Exhibitors of machines ; that require to be 

 driven by power must fix on them pulleys of sufficient diameter 

 and width, that they may be easily driven by straps. 



Regulations. 



Certificates and Specifications. 



1. The necessary printed forms of certificates and specifications may be obtained 



from the Secretary, at No. 12, Hanover Square, London, by persons who 

 are desirous of exhibiting implements, &;c. 



2. No implements will be admitted for exhibition unless the necessary certificate, 



filled in on the printed form prescribed, complete, and signed by the ex- 

 hibitor (or his agent), in the manner directed, has been delivered to the 

 Secretary, or sent (postage free), directed to him, so as to reach No. 12, 

 Hanover Square, on or before the 1st of May, 1852. The specifications and 

 any additional particulars of such implements need not be delivered until 

 the 1st of June, 1852; but if such specifications and necessary particulars, 

 required by the printed rules, should be neglected to be sent by that time, 

 such implement as that informality affects will be disqualified for exhibition. 

 For the satisfaction of Exhibitors, the Secretary will acknowledge by return 

 of post the due receipt and registration of the certificates. 



3. The certificate sent in by the 1st of May must state the space each Exhibitor 



will require (the sheds being 20 feet wide), in order that the Director or 

 Stewards may apportion the standing-room among the various parties who 

 make application. Exhibitors will have to pay Is. per foot run towards 

 defraying the expense of erecting the shedding, which amount must be re- 

 mitted to the Secretary with the certificate by the 1st of May. 



