93


glass.  In  this  way  the  patterns  of  the
lace  or  muslin  are  reproduced,  and  the
powder  being  first  caused  to  adhere
firmly  by  placing  the  plate  in  a  steam
chamber  for  a  few  moments,  is  burned
in,  as  before  described,  in  a  special  fur-
nace. By  means  of  stencil  plates  of
difterent  designs,  and  muslin  and  lace
of  different  patterns,  together  with  pig-
ments of  various  nues,  very  beauti-
ful glass  screens  can  be  produced,
which  for  many  purposes  will  be  pre-
ferred to  the  plain  opaque  glass  at
present  manufactured.
Artificial  Wood  for  Ornamental  Pur-
W)8e8.  Mix  very  nne  sawdust  with  bul-
locks* blood  and  subject  the  paste  to
hydraulic  pressure.  Great  varieties  of
articles,  having  the  appearance  of  the
most  beautiful  ebony  carvings,  can  be
thus  pressed  in  strong,  suitable  moulds.
