Home-made lenses for fire lighting
| I am 60 years old, and ever since I was
a kid and saw my older brother burn his initials in to the top rail of
our front fence with a large glass lens I have been fascinated by the
subject of using lenses for fire lighting. Some 40 years later I started
making lenses myself out of old bits of glass and plastic. On the
following page I give an account of how to make various home-made
lenses for fire lighting. Enjoy... |