US$ 220.13
and S-wave vs P-wave behavior
Converts flowing-water kinetic energy into electricity through a mini water turbine coupled to a dynamo
Manually-operated seismograph model that traces shock waves onto a pulled paper strip
and a selection of wound coils
this three-piece acrylic equilateral prism set supports optics experiments in dispersion and wavelength separation
Spare Gilley Coils Set, 2-Piece, 4.5cm OD cylinder and S-wave vs P-wave behaviorReplacement pair of Gilley coils with a 1. 5cm inner and 4. 5cm outer diameter, sized to keep electromagnetism demonstrations running when the original coils wear out.
US$ 220.13
US$ 221.50
US$ 112.50