Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 221
Fig. 149.—Bakers modification of Nelsons form. class instruments, while some are yet made without a fine adjustmerit; and it is a little notable that the best of this class wasmade by the late Hugh Powell, whose maxim was that a microscopewith only a good coarse adjustment was to be preferred to… … Fig. 150.—Becks economic microscope. and is supplied with a beautifully made sliding Ledge, which wil]move easily and firmly with pressure from one side only. INEXPENSIVE MICROS!* >IKS ^J7 The stage is fastened to the upper side of two brackets which arecast in one piece with the limb ; on the…
Microscopy
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