Philosophical MagazineTaylor & Francis, 1807 - Physics |
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Page 78
Third Method . A still more eligible way is to use daylight received upon a plain metalline mirror reflecting it upwards : to the glasses placed over it , as practised in the construction of the common double microscope : but I forhear ...
Third Method . A still more eligible way is to use daylight received upon a plain metalline mirror reflecting it upwards : to the glasses placed over it , as practised in the construction of the common double microscope : but I forhear ...
Page 84
... third set will also be per- ceived . There is but one shadow visible in this arrange- ment , which is the third ; the first and second shadows being lost in the bright reflection from the mirror . Fifth Method . I placed a 6 - inch ...
... third set will also be per- ceived . There is but one shadow visible in this arrange- ment , which is the third ; the first and second shadows being lost in the bright reflection from the mirror . Fifth Method . I placed a 6 - inch ...
Page 116
... third shadow of the penknife upon the primary set , which is that towards the light . The real colours of this and the secondary set will then be seen to the greatest advantage . When the third shadow is advanced till it covers the ...
... third shadow of the penknife upon the primary set , which is that towards the light . The real colours of this and the secondary set will then be seen to the greatest advantage . When the third shadow is advanced till it covers the ...
Contents
CONTENTS | 3 |
1542 | 5 |
Summary Considerations upon variegated Colours | 11 |
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