Standard Magnetic Field Demonstrator Subcategory_Microtomes Triple-range moving-coil DC voltmeter at

Triple-range moving-coil DC voltmeter at 0-3V

and support rod — the parallel-numbered twin of PHVSPEN for energy

Wide sound-radiating surface on this lightweight tuning fork lets it stand upright on its own footprint

visualizing the relationship between local motion and seismic recording for geology lessons

this polypropylene double burette clamp fits 10mm or 12

Standard Magnetic Field Demonstrator Subcategory_Microtomes Triple-range moving-coil DC voltmeter atPlastic housed plotting compass field demonstrator that maps the magnetic field configuration in one or two dimensions whenever a permanent magnet is placed against it.