Dr. F. Krantz, Rheinisches Mineralien-Kontor - Buying and selling collections (rocks, minerals, fossils). Also sells specimens, field equipment, and teaching aids for geology. Site in both English and French. Rite in the Rain - Water-resistant field notebooks and paper. Encardio Rite Geotechnical Instruments - Instruments for geotechnical, underground tunnels, dam and mining fields. Estwing - Manufacturer of hand-held striking and struck tools for geology and other uses (hammers, hoe-picks, chisels, axes, and pry bars). Rockmans - Earth science supplies for the classroom and collector. Bico Inc. - Manufacturers of lab sized pulverizers, crushers, furnaces, ball mills, asphalt extractors, oil centrifuges, and other assay lab equipment. Brunton - Suppliers of the famous Brunton compass, and other equipment for outdoor research Contract Geological Services, Inc. - Equipment for exploration geology, including lots of field equipment, and some lab equipment. "Everything but the Mule" Geotechnical Instrumentation - Equipment for use in the geotechnical, mining and environmental engineering fields. Products include: piezometers, inclinometers, extensometers, settlement systems, and borehole packers. Advanced Geosciences, Inc. - Geophysical instruments manufacturer of resistivity and IP meters. Kooter's Geology Tools - Basic geology field tools for students and professionals. Includes details about equipment, and tips for geologists. ASC Scientific - Geology equipment for the lab and for the field. Allied Associates Geophysical, Ltd. - Specialist European supplier of geophysical equipment for hire and sale including radar, resistivity EM, Gravity and magnetic instruments. Vancouver Petrographics - Offers geological laboratory services, rock cutting, polishing, geological studies and geological supplies and equipment. Polytungstates Europe - Manufacturers of LST Fastfloat and chemical reagents. Describes heavy liquid properties of main product along with toxicity and usage. NSW - Manufactures underwater electrical and electro-mechanical cables. Applications include fibre-optic telecommunication links, dynamic cables for underwater remote operated vehicles (ROVs), geophysical, and oceanographic instrumentation. Alpha Geoscience - Provides sales, rental, and repair of geophysical instruments as well as consulting services. Contains news and description of instrumentation.