US$ 158.00
temperature-stable cylindrical magnets are needed
Clear-case Bourdon gauge with a 3
High-thermal-conductivity 1
Aluminum-bodied double-parallel pulley with two 2-inch wheels in a heavy-duty 4
Reading Magnifier, 60mm, 15cm Focal Length Gifts_Kitchen temperature-stable cylindrical magnets are neededMid range 60mm reading magnifier with a 15cm focal length, balancing magnification strength against field of view for general reading, specimen inspection, and convex lens optics demos.
US$ 158.00
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