Here is one answer. I hope someone else comes up with
answers to your other interesting questions.

On Wed, 17 May 2000 knagy@sial.com wrote:

> 5.  After you have placed a coverslip on tissue and placed oil on it,  how
> do you clean the slide without removing the coverslip.  Xylene and lens
> cleaner seems to leave a film.
An ordinary paper handkerchief (previously unused) seems to do the
job pretty well. It needs 2 or 3 wipings with new areas of the paper.
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