# GP Batteries: new drill battery

The new power pack for Geraldine B Heronworthy, made with GP Batteries Nickel Metal Hydride cells. The old power pack made with Nickel Cadmium F-cells is shown for comparison.
Photo © , 1999

Back to 1999 Expo sponsors
Bosch GBH24VRE Drill Report, from 1991 Cambridge Underground
More photos:
Kaninchenhöhle
Virtual tour from top entrance - 161a
Virtual tour from Scarface entrance - 161d
the Lost World and Wheelchair Access;
the new way into the Forbidden Land via Steinschlagschacht.
Underground in some of our other caves
Entrance portraits
Surface routes and views
Back to Expedition Intro page
Base camp and non-caving activities
Area/subarea descriptions
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