The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, 2권James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1863 |
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13 페이지
... increases very rapidly , and its numbers cause patches of red on the surface of the mud on which it burrows , for half the bodies of the worms are protruded ( fig . 12 ) , the other half remaining in the ground . When the worms are ...
... increases very rapidly , and its numbers cause patches of red on the surface of the mud on which it burrows , for half the bodies of the worms are protruded ( fig . 12 ) , the other half remaining in the ground . When the worms are ...
37 페이지
... increased , on account of the greater degree of durability required . About this period , Professor Jacobi , of St. Petersburg ( October , 1838 ) , and Mr. Spencer , of Liverpool ( May , 1839 ) , published their processes of electrotype ...
... increased , on account of the greater degree of durability required . About this period , Professor Jacobi , of St. Petersburg ( October , 1838 ) , and Mr. Spencer , of Liverpool ( May , 1839 ) , published their processes of electrotype ...
54 페이지
... increased magnitude of the smelting furnaces . Models of furnaces are exhibited the yield of which is said to reach , in the case of Messrs . Schneiders ' works , more than a hundred and twenty tons in the twenty - four hours . For ...
... increased magnitude of the smelting furnaces . Models of furnaces are exhibited the yield of which is said to reach , in the case of Messrs . Schneiders ' works , more than a hundred and twenty tons in the twenty - four hours . For ...
91 페이지
... increased hardness to whatever metal it is used with . An alloy of three parts alu- minium and 97 parts iron has the brilliancy of pure silver , and does not tarnish . 100 parts silver and 5 parts aluminium form an alloy as hard as ...
... increased hardness to whatever metal it is used with . An alloy of three parts alu- minium and 97 parts iron has the brilliancy of pure silver , and does not tarnish . 100 parts silver and 5 parts aluminium form an alloy as hard as ...
93 페이지
... increased vitality , and new ones are springing into existence in every nook and corner of Old England ; and , as they are capable of thriving wherever a flower blossoms , or where- ever the earth's crust is laid bare to human vision ...
... increased vitality , and new ones are springing into existence in every nook and corner of Old England ; and , as they are capable of thriving wherever a flower blossoms , or where- ever the earth's crust is laid bare to human vision ...
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acid ammonia amongst animal appears beautiful birds body bones branches British carbon carbonic acid cause chemical chloroform ciliary processes colour consists contains copper cornea curious cyanide deposit described diameter effect electric employed engine examined exhibited existence experiments fact feet fibres flower Fungi Geology glass heat hymenium Illustrated important inches interesting iron known leaves light lion manufacture matter means metal microscope mineral minute mistletoe nature nitrous oxide object observations obtained ordinary organic P. L. Simmonds paper papillæ passed peculiar pileus plants Polypide Polyzoa portion possess present produced Professor quantity readers remarkable retina rock scientific seen silver skin Society solution species specimens stars statoblasts steam structure strychnia substance sulphur sulphuric acid surface telescope temperature thallium tion tree tube various vegetable vessel VINEGAR EEL whilst winter wood zinc
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393 페이지 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
341 페이지 - In thoughts from the visions of the night, when deep sleep falleth on men, Fear came upon me, and trembling, which made all my bones to shake. Then a spirit passed before my face ; the hair of my flesh stood up...
99 페이지 - How gloriously her gallant course she goes! Her white wings flying — never from her foes — She walks the waters like a thing of life, And seems to dare the elements to strife.
392 페이지 - Authors of the highest eminence seem to be fully satisfied with the view that each species has been independently created. To my mind it accords better with what we know of the laws impressed on matter by the Creator, that the production and extinction of the past and present inhabitants of the world should have been due to secondary causes, like those determining the birth and death of the individual.
392 페이지 - I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number.
392 페이지 - Therefore I should infer from analogy that probably all the organic beings which have ever lived on this earth, have descended from some one primordial form, into which life was first breathed.
21 페이지 - As nitrous oxide in its extensive operation appears capable of destroying physical pain, it may probably be used with advantage during surgical operations in which no great effusion of blood takes place.
496 페이지 - That, for instance, in acquiring the sensation of redness, our eyes are affected four hundred and eighty-two millions of millions of times ; of yellowness, five hundred and forty-two millions of millions of times ; and of violet, seven hundred and seven millions of millions of times per second...
346 페이지 - Trees having this character of wood are rare, and do not exist in the proportion of one to a hundred. The serpentine direction of the fibre, which renders them difficult to split and to work, produces, in the hands of a skilful mechanic, the most beautiful effects of light and shade. These effects are rendered more striking, if, after smoothing the surface of the wood with a double-ironed plane, it is rubbed with a little sulphuric acid, and afterwards anointed with linseed oil.
200 페이지 - Great fleas have little fleas upon their backs to bite 'em, And little fleas have lesser fleas, and so ad infinitum.