US$ 11.26
and core layers detach one by one for geology instruction
Precision-machined ten-piece solid brass slotted mass set totaling 1100 grams from 10 to 500 gram pieces
this polypropylene pitcher combines a handle
the gentle curvature supporting near-collimated reflection and astronomical ray-tracing analogues
5 inches) with one fork carrying an adjustable tuning mass
Variable Angle Glass Prism, 40° x 40° x 100° Subcategory_Clamps and Bossheads and core layers detach oneWider apex 40 x 40 x 100 glass prism, the broader apex producing larger deviation for direct comparison against the narrower apex members of the angle series set.
US$ 11.26
US$ 26.48
US$ 11.31
US$ 25.08
US$ 23.69
US$ 75.14
US$ 28.31
US$ 41.26
US$ 132.08
US$ 57.40
US$ 56.29
US$ 95.94