Fisher-Johns, filling and placing coverslips

place a small amount of crystals on a coverslip
place a second coverslip on top
place the compound-coverslip sandwich on the round heating block
note the round metal cylinder on the upper right - this is used to quick-cool the heating block between uses - simply move the lens out of the way and place it on the round heating block when you are finished
look through the lens above the heating block

when done, place the used coverslips in the used coverslip recycling container

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