The American Journal of Microscopy and Popular Science, Volume 3-4Handicraft Publication Company, 1878 |
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Halaman 13
... micro- they obtained a high price for the extra scopic appliances , left at the death of a brass work and boxes , and as the lenses physician of considerable prominence in were sold as second or third quality , they this city . The ...
... micro- they obtained a high price for the extra scopic appliances , left at the death of a brass work and boxes , and as the lenses physician of considerable prominence in were sold as second or third quality , they this city . The ...
Halaman 20
... micro- scopists . Neither does solid matter ever penetrate from the exterior into the interior of living diatoms ; they drink , but they do not eat . " The curious active movements of certain dia- The above is the description as given ...
... micro- scopists . Neither does solid matter ever penetrate from the exterior into the interior of living diatoms ; they drink , but they do not eat . " The curious active movements of certain dia- The above is the description as given ...
Halaman 21
... micro accurate microscopic work . In addition to the or macro zoospores , and perhaps , in the first in - parts essential to all first - class binocular instru- stance , with the formation of zygozoöspores , as ments , there were some ...
... micro accurate microscopic work . In addition to the or macro zoospores , and perhaps , in the first in - parts essential to all first - class binocular instru- stance , with the formation of zygozoöspores , as ments , there were some ...
Halaman 38
... micro- scope , whilst others are certain that Mr. R. B. Tolles , of Boston , has made similar amplifiers for many years , some say twenty years ago . Professor Barlow , in 1829 , constructed a plied the plano - concave lens ( achromatic ...
... micro- scope , whilst others are certain that Mr. R. B. Tolles , of Boston , has made similar amplifiers for many years , some say twenty years ago . Professor Barlow , in 1829 , constructed a plied the plano - concave lens ( achromatic ...
Halaman 47
... cine . R. U. PIPER . FRANCIS GERRY FAIRFIELD , A. B. , Ph . D. , Prof. Microscopy and Micro - chemistry , New York College of Veterinary Surgeons . EXCHANGES . Polyzoa with " bird's heads , " foraminifera JOURNAL OF MICROSCOPY . 47.
... cine . R. U. PIPER . FRANCIS GERRY FAIRFIELD , A. B. , Ph . D. , Prof. Microscopy and Micro - chemistry , New York College of Veterinary Surgeons . EXCHANGES . Polyzoa with " bird's heads , " foraminifera JOURNAL OF MICROSCOPY . 47.
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176 Broadway achromatic acid Address advertising algæ AMERICAN JOURNAL angle angular aperture animal apparatus appear balsam binocular blood body Broadway Canada balsam cells cement cents color corpuscles cover crystals diameter diatoms examined exchange exhibited eye-piece fact flagella fluid foraminifera frustule give glass glycerine H. L. Smith hair Hitchcock hoop illumination immersion inch insects instrument interesting jects JOURNAL OF MICROSCOPY lens lenses light matter means meeting ment method micro micrometer microtome millimetre minute mounted objects Navicula object-glass oblique observed oleomargarine olivine optical opticians organisms paper plate polariscope prepared present President Prof rays refraction rotifer San Francisco Microscopical scientific Scroll Saws Secretary seen sent shellac slide species specimens spores stage staining stand Street structure surface thin tion tissue Tolles tube umbilicus valve Volvox York Zeiss
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Halaman 8 - Nero was stated to measure eleven feet from the tip of his nose to the end of his tail, and his proportions were in other respects large.
Halaman 167 - If we had a keen vision and feeling of all ordinary human life, it would be like hearing the grass grow and the squirrel's heart beat, and we should die of that roar which lies on the other side of silence.
Halaman 84 - It has been found invariably that in those departments of physics where the phenomena are beyond our control, or into which experimental inquiry from other causes has not been carried, the progress of knowledge has been slow, uncertain, and irregular ; while in such as admit of experiment, and in which mankind have agreed to its adoption, it has been rapid, sure and steady.
Halaman 79 - 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 266 - Important organs of the body were studied with a great deal of interest, and with a great deal of difficulty, and suspected of being very elaborate and complicated. The skin was described as consisting of the epidermis and true skin, having beneath it
Halaman 246 - ... the germ theory teaches us that every new case of the contagious maladies already enumerated is the immediate offspring of a preceding case, and the direct result of exposure of an unprotected human being to the chance of having the spores or seeds of disease implanted in its system, an exposure which it only required sufficient knowledge, sufficient foresight, and sufficient care to avoid.
Halaman 81 - The impressions of sense, unconnected by some rational and speculative principle, can only end in a practical acquaintance with individual objects ; the operations of the rational faculties, on the other hand, if allowed to go on without a constant reference to external things, can lead only to empty abstraction and barren ingenuity.
Halaman 63 - See man for mine!" replies a pamper'd goose: And just as short of reason he must fall, Who thinks all made for one, not one for all.
Halaman 7 - SHOOTING ON THE WING : Plain Directions for acquiring the art of Shooting on the Wing. With useful Hints concerning all that relates to Guns and Shooting, and particularly in regard to the art of Loading so as to Kill. By an Old Gamekeeper.
Halaman 80 - ... yet unexplained, every new discovery in science brings into view whole classes of facts which would never otherwise have fallen under our notice at all, and establishes relations which afford to the philosophic mind a constantly extending field of speculation, in ranging over which it is next to impossible that he should not encounter new and unexpected results.