fig1.gif       21176 01-10-96  Illustration
fig2.gif     1258349 01-10-96  Illustration
fig3.gif      644326 01-10-96  Illustration
fig4a.gif    1199393 01-10-96  Illustration
fig4b.gif    1258542 01-10-96  Illustration
fig5ab.gif   1578399 01-10-96  Illustration
pipemast       16987 01-10-96  Self supporting mast of standard pipe