Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 96
willbe required to use it advantageously, but it discloses at once,when employed by one who has learnt to appreciate its signifi-cance, any mechanical inaccuracies that may exist. Directionsfor using accompany each plate, but the worker will quicklymark out for himself a line which experience will… … Fig. 26.—Abbe Test-Plate. glass, all of different specified thicknesses, and embracing sucha range as objectives are likely to be corrected for. On the under surface, lines are ruled in a deposit of silver, andthe covers are mounted on an ordinary 3x1 slip. The ruledlines are coarse, and can be…
Microscopy
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