The following equipment has been used:
- Hand level, David White Builder's
Determining the horizon
- Laser pointer
Determining the level of distant object and to make sight lines
- sighting compass, Suunto KB-20
For determining the magnetic azimuth. For calibrating this magnetic
azimuth see the calibration page. This compass
seems to have a statistical error of 10' and a reading scale interval
Normally this compass should be read by using the two eye method, but
if you has an eye condition called heterophoria, one should use the one
- spectacles without iron!
Even a small bolt can change the reading of the compass. So be aware
about glasses and watches with iron.
- two bags with
This is a light weight bag for leveling your compass/level/photograph
- photograph equipment, like Olympus OM 10, 28 - 170
For making pictures and to determine the altitude of the horizon.
To mark positions
- rope, some 50 m
For determining the free path (can also be done with laser pointer).
length tape, 5 m, interval 1 mm
To measure length.
- two torch
To get light in chambers;-)
- four aluminum camping nails
To pin down the rope or other things.
- a clipboard
To have a good writing surface
They should be at least 1:25000
- paper for detailed photo
some columns with info about the photos taken
You need to bring all literature available on the site, so that you
can look up and compare and see if mistakes are made in your
or in literature.
You need time and you need to visit the site a few times. Relaxation
will bring ideas and a clearer mind.
Disclaimer and Copyright
Last content related changes: Sept. 7, 1996