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Contents of journal 9
September 1992
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CREG Journal Archive:
This issue is available on paper as part of a two-volume archive,
covering issues 1 to 25.
To purchase it, please visit
Lulu.com.
- CREG Journal
(PDF 5.2MB)
  Individual articles may be available below
- Contents. (This is a bit-map scan).
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- The Spring 1992 CREG Symposium
- Peter Eggleston reports.
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- Emitter Tracks Cave Cracks
- Report of a civil engineering application of the Molefone.
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- The Watsonlinc
- David Gibson reviews an inductive device for tapping into telephone cables.
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- Results of Bosch Drill Battery Duration Tests
- Mark McLean has been experimenting with a cordless hammer drill.
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- How to Lose the Guarantee on your Bosch Drill and Related Horror Stories
- Nick Williams provides instructions for the adaption and use of battery-powered drills underground.
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- A Very Big Flashgun
- David Gibson explains how to make a big flashgun by connecting lots of little ones together!.
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- No-nonsense NiCd Charging
- Sensible instructions on the use of rechargeable cells, from David Gibson.
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- A Battery Discharger
- A circuit to safely pre-discharge a NiCd battery before charging, by David Gibson.
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- Global Positioning Underground
- David Gibson explains how inertial navigation might work in a cave-surveying tool.
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- An Aluminium Tape Antenna
- David Gibson outlines his experimental tape antenna, and discusses other designs that might be considered.
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the British Caving Association,
undertaking charitable activities on behalf of the BCA.
BCRA publishes a range of periodicals and books.
Click here for further information.
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