US$ 115.60
doubling as a lab-demo lens for focusing sunlight and investigating image formation with convex optics
heating mantles
this set covers the mid-range bench volumes with raised graduations and tapered pouring spouts
and moments
Slate Specimen Stem Diameter_19mm doubling as a lab-demo lensLow grade metamorphic rock with well developed cleavage splits into flat sheets, demonstrating directional pressure during the early stages of shale metamorphism.
US$ 115.60
US$ 39.95
US$ 149.99