Common Objects of the Microscope

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G. Routledge & sons, 1861 - Microscopes - 132 pages
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Page 137 - CECIL. 11. BEES; their Habits, Management, and Treatment. By the Rev. JG WOOD, Author of " Natural History." 12. CAGE and SINGING BIRDS. By HG ADAMS. 13. SMALL FARMS; a Practical Treatise on their Management. By MARTIN DOYLE.
Page 106 - ... (A) and above this critical velocity the law is expressed by the formula of Rittinger, V = CVD (8 - 1). (B) The values of K indicated by the experimental data are 424 for quartz and 631 for galena; and the values for C are 87 for quartz and 100 for galena. 1165. FREE-SETTLING RATIOS. — Table 496 is given for the purpose of showing the manner in which the free-settling ratio of quartz and galena varies with the different sizes. The average free-settling ratio for quartz and galena is 3.9...
Page 137 - By MARTIN DOYLE. 18. COMMON OBJECTS of the SEA-SHORE. By the Rev. JG WOOD. With many Illustrations by W. SOWERBY. 19. COMMON OBJECTS of the COUNTRY. By the Rev. JG WOOD. With many Illustrations by COLEHAN.
Page 86 - The insect from which fig. 5 was taken is so small that it is almost invisible to the naked eye, and was captured on the wing by waving a sheet of gummed paper under the shade of a tree.
Page 3 - ... forms of life and beauty which teem in every nook and corner of the country. Some are confined to their chambers by bodily ailments, some are forced to reside within the very heart of some great city, without opportunities of breathing the fresh country air more than a few times in the course of the year; and yet there is not one who may not find an endless series of Common Objects for his microscope within the limits of the tiniest city chamber. So richly does nature teem with beauty and living...
Page 138 - Simmond's (PL) Dictionary of Trade Products, Commercial, Manufacturing, and Technical Terms, with Moneys, Weights and Measures of all Countries, reduced to the British Standard. Fcap. 8vo, half-bound 6 0 Dodd's Novelties, Inventions, and Curiosities in Arts and Manufactures.
Page 2 - ... find amusement and instruction even though he was in the midst of the Sahara itself. There is this great advantage in the microscope, that no one need feel in want of objects as long as he possesses his instrument and a sufficiency of light. Many persons who are gifted with a thorough appreciation of nature in all her vivid forms are debarred by the peculiarity of their position from following out the impulses of their beings, and are equally unable to range the sea-shore in search of marine...
Page 4 - ... the name of the investigator among the most honored sons of knowledge. There is not a mote that dances in the sunbeam, not a particle of dust that we tread heedlessly under our feet, that does not contain within its form mines of knowledge as yet unworked. For if we could only read them rightly, all the records of the animated past are written in the rocks and dust of the present.
Page 115 - ... as can be obtained. Woe is me ! A piping voice cleaves the air. "You catching fish ?" Verily, the nature of the small boy has not changed much since Woods wrote : " At the best of times the microscopic angler is sure to be beset with inquisitive boys of all sizes, who cannot believe that any one can use a net in a pond except for the purpose of catching fish, and is therefore liable to have his sanity called in question, and his proceedings greatly disturbed.

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