Knowledge: An Illustrated Magazine of Science, Том 51884 |
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Стр. 5
... seen that when the zinc enters into chemical action with the sal ammoniac ( NH4Cl ) , ammonia ( NH3 ) is set free , and is dissolved or absorbed by the water . Now , ammonia is a substance which has the power of neutralising acids ; so ...
... seen that when the zinc enters into chemical action with the sal ammoniac ( NH4Cl ) , ammonia ( NH3 ) is set free , and is dissolved or absorbed by the water . Now , ammonia is a substance which has the power of neutralising acids ; so ...
Стр. 7
... seen unite to demonstrate the occurrence of a glacial period , we also find certain collateral evidences tending in the same direction . These collateral evidences are furnished chiefly by the facts connected with the geographical ...
... seen unite to demonstrate the occurrence of a glacial period , we also find certain collateral evidences tending in the same direction . These collateral evidences are furnished chiefly by the facts connected with the geographical ...
Стр. 13
... Seen in a telescope she is still gibbous , with a diameter of less than 12 " , so that she is an uninteresting object . Mars is be- coming more favourably placed for the observer every night . He rises a little before 7 o'clock to ...
... Seen in a telescope she is still gibbous , with a diameter of less than 12 " , so that she is an uninteresting object . Mars is be- coming more favourably placed for the observer every night . He rises a little before 7 o'clock to ...
Стр. 29
... seen when an indigo surface is looked at for some moments and the eye imme- diately allowed to rest on a white surface . A good deal has been written lately regarding the colour of the sun as observed in tropical regions . Would this ...
... seen when an indigo surface is looked at for some moments and the eye imme- diately allowed to rest on a white surface . A good deal has been written lately regarding the colour of the sun as observed in tropical regions . Would this ...
Стр. 29
... seen when an indigo surface is looked at for some moments and the eve imme- diately allowed to rest on a white surface . A good deal has been written lately regarding the colour of the sun as observed in tropical regions . Would this ...
... seen when an indigo surface is looked at for some moments and the eve imme- diately allowed to rest on a white surface . A good deal has been written lately regarding the colour of the sun as observed in tropical regions . Would this ...
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angle appear astronomical BIRMINGHAM Town Hall Black body carpels cause cells Chess Column Club colour comet continued corresponding course dark dextrin dust earth Edinburgh Reviewer effect equal fact favour flowers Gambit give given Glacial Period Grant Allen Greek fire Herschel hour Illus insects interesting Jupiter King Knave KNOWLEDGE Krakatoa Kt to KB3 lead lecture less letter light limb London machine Mars Mathematical Column matter means MEPHISTO miles Milky moon move muscles object observed occulted paper Parallax passing planet play player position present probably PROP Q takes Queen R. A. Proctor readers regard remarkable result round Satellite Saturn seems seen side starch stars suppose surface telescope theory tion triangle trick tricycle trumps Whist Column White WYMAN & SONS