308  Onihe Process of Bleaching with 
athe: aoe EON P* THE PLATE. 
: ‘tn 2a sat 
Ya Fig. 1 1, is a section of the a 
oe deal ciste r 
the cistern, This rib is piviaed with halls, ger F 
ch two perpendicular % axes are to turn he lid, A i 
rim, G G, which sinks and fits into ehaeictern: Two 
;, H H, are fixed into the lid, their centres being per- 
Peneillas!y over the cenitres of the sockets, FF, when 
the idi is upon the cistern, — At I, isa tube by which the 
liquor is introduced into the apparatus. Asi it is necessary 
thac e space within the rim, GG, be air-tight, its joints 
lid, and the joints of the tubes, must be ney Floss ‘ 
nena the axis ah w ‘Two plain. Dillics, pes 
* 
a: 
~~ are fixed to the: axes, in order to prevent the cloth from 
slipping down. The shafts are turned by a moveable 
handle, P, Q,a eable pulley, 1 round which passes the 
cord, R, This cord, which is fastened on the opposite 
side of the lid (see fig. 2), and passes over the small pul- 
ley S, produces friction by means of the weight T. By 
the spigot and fausset V, the liquor is let off, when ex- 
hausted. 
a Fig. 2. A plan of the apparatus, with the lid taken off, 
