US$ 64.50
this star globe illustrates rotation
and Ohm's-law study
Expansion adapter in borosilicate 3
packaged with a keeper that bridges the poles to keep the field intact between sessions
for studying precession
Red Slate Specimen Chemical_N-Butyl Alcohol this star globe illustrates rotationRed hematite stained slate cleaves into flat sheets used historically for roofing, illustrating low grade metamorphism of iron rich shale protolith.