BREWING 



513 



fill the inside of the box. By this means, when the screw is turned round by the 

 wheels E F, or by any other means, it raises up tho malt from the box d, and delivers it 

 at the spout o. 



This screw is equally applicable for conveying the malt horizontally in the trough K, 

 as slantingly ; and similar machines are employed in various parts of breweries for con- 

 veying the malt wherever the situation of the works require. 



Fig. 261 is the mashing-machine. a a is the tun, made of wood staves hooped to- 

 gether. In the centre of it rises a perpendicular shaft b, which is turned slowly round 



251 



by means of the bevelled wheels t u at the top. c c are two arms projecting from 

 that axis, and supporting the short vertical axis d of the spur-wheel x, which is 

 turned by the spur-wheel w ; so that, when the central axis b is made to revolve, it 

 will carry the thick short axle d round the tun in a circle. That axle d is furnished 

 with a number of arms, e e t which have blades placed obliquely to the plane of their 

 YOL. I. L L 



