24


THE   GREAT   MYSTERIES


The  sides  "A"  are  solid,  except  for  air  holes  on  the
two  ends.  These  are  held  together  by  clamps  "B,"
shown  at  larger  scale  in  Fig.  4.  The  top  *'C"  is  held
by  the  hinges  "D,"  shown  full-size  in  Fig.  5.     Fig.  2


Top


/%    Cjlas


es


/  BoHom .%    C]|a55


V/i-V/////^^^/^^  //^  ^  ^^^  ^.
rig.  Z


is  a  section  showing  sizes  and  arrangement  of  top,
bottom  and  side.  Fig.  3  shows  at  full-size  how  the
clamps  are  fastened  to  the  glass.  The  round-headed
bolt  is  passed  through  a  hole  in  the  glass,  with  leather
washers  next  to  the  glass  on  each  side,  then  it  passes
through  the  clamp,  after  which  another  washer  is  put
on,  and  a  small  padlock  passed  through  a  small  hole
in  the  bolt  and   locked   in  place.     There  are  two  of


THE   GREAT  MYSTERIES


25


these   padlocks  to  each  hasp,   and  there   are  sixteen
hasps  in  all.
The  bolts  are  all  made  solid  except  those  for  the
hinges,  which  are  made  as  shown  in  Fig.  5.  The
heads  of  these,  while  appearing  to  be  made  solid  on
the  bolt,  are  really  made  with  a  thread,  and  the  bolt


«,icle    or  cae»e


Leather
washera


Insid


Ouf  stele,
cf"  case.
is  tapped  to  receive  it,  so  that  the  head  can  be  re-
moved.
