US$ 1549.50
Locking control at any extension on this two-meter retractable tape measure
and root development across successive stages for dicot germination teaching
Heavier-grade wire stripper with hardened cutting jaws
this two-wire potentiometer mounts on a metal base for stability during extended laboratory measurements
Round Convex Glass Mirror, 50mm Diameter, 300mm Focal Length Lab Supplies_Scoops & Spatulas Locking control at any extensionConvex glass mirror at 50mm diameter and 300mm focal length, ~2mm thick, the longest focal value in the 50mm convex line giving the gentlest divergence and largest virtual image.
US$ 1549.50
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