Am.  Jour.  Pharm.  ) 
Sept.,  1878.  J 
An  Efficient  Drug  Press. 
419 
wide,  one  firmly  attached  by  iron  rod  and  keepers  to  one  end  of  the 
frame  or  table,  and  the  other  one  free  or  movable,  both  blocks  at  same 
distance  from  end  being  bored  with  smooth  holes  to  receive  the  two 
iron  screws. 
Upon  the  movable  block,  and  opposite  the  holes,  a  female  nut  of 
bell-metal  is  firmly  fixed.  Upon  the  inner  face  of  these  two  timber 
blocks  an  iron  casting,  saddle-shaped  and  hollow,  is  inserted,  flush  or 
even  with  the  face  of  the  block,  the  height  and  width  of  which  is  12 
inches  and  the  diameter  3  inches  ;  the  thickness  of  the  iron  crust  being 
I  inch,  leaves  a  cavity  of  ij  inch  in  diameter,  or  capable  of  holding  6 
pints  of  boiling  water  each,  each  casting  having  a  hole  on  top  to  receive 
