at the Norwich Meeting, 1849. 



569 



articles which were this year very much reduced both in number 

 and importance, in consequence of specific prizes having been 

 offered for several classes of implements, which on previous occa- 

 sions were placed in the Miscellaneous Department. The report 

 will, therefore, conclude with the following description of the 

 apparatus frequently referred to in the preceding pages, viz. : — 



Amos's Machine for Testing Hand-power, to which the 

 Society's Gold Medal was voted by the Council. — 4 " This machine 

 consists of a fly-wheel, 3 feet 9 inches diameter, with a winch- 

 handle placed in one of the arms and having a radius of 15-j 

 inches. This is fixed on the principal shaft, which is placed 

 in a horizontal position, resting in bearings on cast-iron fram- 

 ing at both ends. A spur-wheel is keyed on this shaft, 14 

 inches in diameter; and on the boss through which the shaft 

 works a lever is loosely fitted, say 50 inches long, and balanced 

 by a cast-iron weight on the opposite side of the boss, or centre of 

 motion. The lever has a bush or pivot hole through it, at 14 

 inches from its centre of motion, and a hook at the end for re- 

 ceiving the weights used in testing. 



e< A second shaft is carried at one end by the bush or pivot hole 

 in the lever last mentioned, having a spur-wheel 1 4 inches diameter 

 keyed upon it, and is driven by the wheel on the first (or fly- 

 wheel) shaft; while at the other end it rests in a bearing in the 

 iron framing of the machine. It is carried a short distance beyond 

 this bearing, and has a cast-iron drum or rigger, of 3 1 inches dia- 

 meter, keyed on its end, for driving the machine to be tested. 



" A counter is attached to the first or fly-wheel shaft, and 

 registers the number of revolutions made by the testing machine. 



" A pendulum is attached to the framing, and its vibrations 

 indicate the proper velocity. After a little practice, the labourer 

 has no difficulty in timing the revolutions of the machine with the 

 pendulum. 



" The whole of the testing machine is mounted on wheels, and 

 moves (upon a temporary railway) to the machine to be tested. 

 The mode of using it is as follows, viz, : — The machine to be 

 tested has a pulley placed upon the spindle, of the same diameter 

 as the circle described by the winch by which the machine is 



would be necessary. It is adapted for use in woods and plantations, in 

 making fencing and hurdles, and can be worked by horse-power. 



" The attention of exhibitors of implements should be drawn to the re- 

 quirement of a good portable and not expensive arrangement for sheltering 

 sheep in the field, aed feeding them under cover. The arrangements exhibited 

 hitherto are neither sufficiently portable nor low enough in price to be of 

 practical service, nor are they adapted to uneven or hilly ground. 



" Dudley Pelham." 



