--- slot 015 ---



















b1                              .

--- slot 016 ---


      and plywood and a piece of metal
      and 1 1b jam jar a screw lid

              making the coil

   wind the 24-gauge copper wire
   tightly round the jam jar-each
  turn should be close to the next.
  At every tenth turn make a tiny
  loop then carry on as defore
  continue  until you have
  completed 7o turns fix the wire
  to the jar by winding
  trannsparent or insulating tape
  round the end of the coil.
  carefully remove the insulation

b1                              .

--- slot 017 ---



  To make the cat's whiskers

       You will need
       1 Germanium diode
       2 small crocodile clips
       2 small plugs and sockets
       For aerial and 15 metres
       of 24 gauge insulated
       copper wire
       1 5oopf variable capacitor
       1 small jack plug and socket
       for earpiece or headphons.
       Either a crystal earpiece
       (like a deaf aid) or a pair
       of headphones.

save                            .
