Sear Kid's Metal Microscope with 4 lensesZoom

Sear Kid's Metal Microscope with 4 lenses

Item# Searsmicroscope
$62.30
item #Searsmicroscope. There is a fine focus adjustment knob which turns fine but I can not tell if it is working correctly. These knobs do turn smoothly. The main focusing stage works smoothly and just fine. There are 4 removable lenses. The bod
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