Watch Glasses
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Watchglasses
Watch glasses have all kinds of uses. They are concave "dishes" that can be used as beaker lids; to hold protists and other invertebrates for viewing under a microscope; or to dissolve materials such as crystals and powders.
Watchglasses are also very handy for making ice lenses. Fill one with water, freeze it & then repeat. Put the 2 halves together & voila, you have a lens.
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| Watchglasses: beaker lids-crystal dishes. | |
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No Glassware Returns
Glassware cannot be returned for any reason; this is for your safety and ours. It would be prohibitively expensive to test for bacteriological, chemical or radiological agents since there is no way to tell if glass has been contaminated just by looking at it. We would have to throw it away even if you claim to never have opened the package. Call first if you are unsure of what you need.
