Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 125
y be termed the secondary body, namely, ashort tube (seen beneath the stage), capable of being movedup and down by a miUed-head, and fitted for the reception ofthe achromatic condenser, polarizing apparatus, &c. This secondary body consequently answers the same purpose asthe secondary stage of… … Smith and Becks Large Compound Microscope. that by being made to work in. a groove which is in perfectcorrespondence with that wherein the principal body works(this correspondence being secured by the action of the planingmachine that ploughs both grooves), the secondary bodyalways has its axis so…
Microscopy
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