Journal of the Royal Microscopical Society, Volume 1Royal Microscopical Society., 1878 |
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Halaman 2
... position . Even when compara- tively large specimens and a low magnifying power are used , the special characters observed by this method depend entirely upon the collection by an object - glass of more or less divergent rays . It is ...
... position . Even when compara- tively large specimens and a low magnifying power are used , the special characters observed by this method depend entirely upon the collection by an object - glass of more or less divergent rays . It is ...
Halaman 3
... position of these different planes , as shown by the readings on the scale , and the means taken , in order to * Vol . xvi . , 1876 , p . 294 . compensate for small accidental errors , and care must of B 2 The President's Address ...
... position of these different planes , as shown by the readings on the scale , and the means taken , in order to * Vol . xvi . , 1876 , p . 294 . compensate for small accidental errors , and care must of B 2 The President's Address ...
Halaman 12
... position cannot differ much from that variety of felspar . only question is whether the double refraction be not positive , instead of negative , which it does really seem to be . The The only serious objection to this direct method of ...
... position cannot differ much from that variety of felspar . only question is whether the double refraction be not positive , instead of negative , which it does really seem to be . The The only serious objection to this direct method of ...
Halaman 16
... position that it does not in any way depolarize the light . The polarizer and analyzer are then removed , and the ... positions through the thin section of rock , only one system of lines is invariably doubled , the mineral must either ...
... position that it does not in any way depolarize the light . The polarizer and analyzer are then removed , and the ... positions through the thin section of rock , only one system of lines is invariably doubled , the mineral must either ...
Halaman 19
... position of one of the indices b . The image of the point is made to coincide with the margin of the field of view . FIG . 3. - Section of examining glass , showing the position of its achromatic lens and diaphragm . FIG . 4 ...
... position of one of the indices b . The image of the point is made to coincide with the margin of the field of view . FIG . 3. - Section of examining glass , showing the position of its achromatic lens and diaphragm . FIG . 4 ...
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acid action alcohol Amphiuma angle angular aperture aniline animal aperture apparatus appear axis bacteria Bacterium balsam blood body Canada balsam cells centre chromic acid coloured blood-corpuscles Comptes Rendus contraction corpuscles covering glass Crustacea crystal described diameter diatoms disk distinct double contour edge examination experiments eye-piece flagella flagellum fluid fossil Foveaux Strait Frank Crisp genus glycerine granules Heliozoa illumination immersion inch Infusoria insects lens lenses light magnified matter measured membraneous layer method Micro millimetre mineral minute nucleus object object-glass oblique observed obtained optical ordinary organs paper parasite picric acid plate preparation present prism produced Professor protoplasm Radiolaria rays reagent refraction researches rotifers ROYAL MICROSCOPICAL SOCIETY sarcode seen side slide solution species specimens sponge spores staining striæ structure substance surface teeth termo thickness thin tion tissues tube valve whilst woodcut
Bagian yang populer
Halaman 229 - Report on the Hydroida collected during the Exploration of the Gulf Stream by LF de Pourtales, Assistant United States Coast Survey.
Halaman 125 - ... unfetters the mind from prejudices of every kind, and leaves it open and free to every impression of a higher nature which it is susceptible of receiving, guarding only against enthusiasm and self-deception by a habit of strict investigation, but encouraging, rather than suppressing, everything that can offer a prospect or a hope beyond the present obscure and unsatisfactory state.
Halaman 159 - The following list of presents was read, and the thanks of the meeting were voted to the respective donors ; viz., FOR THE LIBRARY.
Halaman 55 - ... established by which the ratio between emergent beam and focal length, could be conveniently denoted. It would not be possible for me to condense, without a sacrifice of intelligibility, the steps by which he subsequently showed, in a very beautiful manner, that the ratio in question can be expressed by the product of the refractive index of the medium in front of the objective, and the sine of half the angle of aperture, that is by...
Halaman 90 - LIGHT: a Series of Simple, entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of. Students of every age.
Halaman 160 - The President proposed a vote of thanks to the author of the paper, and also to Mr.
Halaman 33 - President, in the chair. The minutes of the preceding meeting were read, and were signed by the President.
Halaman 123 - In mathematics, chemistry, and every branch of natural philosophy, how many are the inquiries necessary for their improvement and completion, which, taken separately, do not appear to lead to any specifically advantageous purpose ! Ho'w many useful inventions, and how much valuable and improving knowledge, would have been lost, if a rational curiosity, and a mere love of information, had not generally been allowed to be a sufficient motive for the search after truth !" — Malthus's Principles of...
Halaman 30 - Hales in the chair. The Minutes of the preceding meeting were read and confirmed...
Halaman 93 - Society during the past month was read by the Secretary, and the thanks of the meeting were voted to the donors.