Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 1056
Bd. v. 1889, p, .v.\. 3 Mr. Watson, (it ELolborn. London, and .Messrs. Ilenry Crouch, Limited, maktsuit-able instruments. Those constructed hv Zeiss, of .Jena ; Nuclei, of Paxil) Voi^t andHoch^esan^, of (iiittin^en ; Fucss, of Berlin ; and Hartnack, of Potsdam, can also btrecommended. 4 The… … Pjq, 742—Swifts new petrological microscope. the eye-niece, as the centring of the objective is scarcely ever soperfect as not to produce some displacement : and, if the centring 994 THE MICROSCOPE IN GEOLOGICAL DTVESTIGATION be adjusted so as to be perfect for one objective, it is likely to…
Microscopy
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