Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 148
S 127 this to be done. A very good plan is often adopted by amateursfor viewing live objects as follows: A square, flat piece of glass isobtained, and on this an india-rubber ring is laid, into which theanimalcule can be placed; a thin piece of glass is now put overthe top of the india-rubber ring,…
Microscopy
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