Equipment for conducting the Spacelab microgravity crystal growth experiments, including the primary experiment unit, eyepieces, and a video display. The main unit measures 19 x 42 x 38 and features a Zeiss binocular microscope in the center with knobs for adjusting magnification factor and focus. Below are the controls for the crystal experiment, which allow for crystal rotation and heat adjustment. The second piece is a rack-mount display measuring 38 x 7 x 15, which would show a video feed as seen through the microscope. Last are two additional eyepieces. In overall very good to fine condition.
Crystal growth experiments were conducted on multiple Spacelab missions in order to observe any differences from those grown on Earth. It was found multiple times that the crystals grown in Spacelab had fewer defects than those grown in identical experiments on Earth, suggesting that defects are reduced in microgravity. This marked an important breakthrough in materials technology, as some applications call for flawless crystals that are unable to be created on Earth but are possible to produce in the microgravity of space. A unique Spacelab piece with a fine scientific association. Oversized.
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