Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 121
iddleportion of the field on exchanging the objectives, it will showthat the objectives have not exactly the same centres, and theimage must be set central with the high power by altering theposition of the condenser by means of the centring screws of thesub-stage. Later experience has shown that… … ILLUMINATION AND ILLUMINATING APPARATUS 101 view, but rather the carrying of the condenser beyond the focusto that point when the back lens of the objective is most fullyflooded with light. In other words, the best illumination forcritical work is secured at the stage immediately preceding…
Microscopy
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