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Crookes tube (X-ray generator)
Physical Description: The body of the Crookes tube instrument consists of a copper cube, in the center of a metal stand. The stand consists of a long tube with three legs protruding from the base. There are two additional tubes that extend beyond the…
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Wooden Crystal Models - Twins
Physical Description These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate…