Everyday Mysteries: Secrets of Science in the HomeMacmillan, 1923 - 198 páginas |
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Página 164
... mirrors each 10 inches in diameter , and so flat that if they were laid one on top of the other they would nowhere lie ... mirror which is turned so as to reflect it into the observatory , and the direction of it does not change at all ...
... mirrors each 10 inches in diameter , and so flat that if they were laid one on top of the other they would nowhere lie ... mirror which is turned so as to reflect it into the observatory , and the direction of it does not change at all ...
Página 164
... mirror not bigger than the last letter in the word two as printed here , but reflecting brightly a tiny shaft of sunlight to show exactly how the magnets point . The whole contrivance of glass rod , magnets , and mirror is suspended ...
... mirror not bigger than the last letter in the word two as printed here , but reflecting brightly a tiny shaft of sunlight to show exactly how the magnets point . The whole contrivance of glass rod , magnets , and mirror is suspended ...
Página 172
... mirror glass and hinged upon a board so it could face the sun . The dish to be cooked was enclosed in a blackened , tightly covered pail hung at the center . A glass cover enclosed the pail to keep away wind . If , now , the cone was ...
... mirror glass and hinged upon a board so it could face the sun . The dish to be cooked was enclosed in a blackened , tightly covered pail hung at the center . A glass cover enclosed the pail to keep away wind . If , now , the cone was ...
Página 173
... mirror to the ovens , there was a circuit of oil pipe running up from the mirror focus to the top of the reservoir and back from the bottom of the reservoir underneath the mirror to complete the circuit . This plan is exactly like the ...
... mirror to the ovens , there was a circuit of oil pipe running up from the mirror focus to the top of the reservoir and back from the bottom of the reservoir underneath the mirror to complete the circuit . This plan is exactly like the ...
Página 174
... mirror has hung from its outer edge a wire and heavy weight which tends to turn the mirror westward . But on a groove in a second smaller part of the wheel is another wire wound around the wheel in the opposite way which restrains the ...
... mirror has hung from its outer edge a wire and heavy weight which tends to turn the mirror westward . But on a groove in a second smaller part of the wheel is another wire wound around the wheel in the opposite way which restrains the ...
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Términos y frases comunes
Arab Arica atoms bacteria baking powder balance wheel bell blueberries boiling bolometer bottom called Calories carbonic acid caustic cent CHARLES GREELEY ABBOT chemical chimney clock coal colors compounds cooking cool copper cotton depths diameter dish dissolve earth electric Fahrenheit fathoms feet fibres fire flapping rod freezing furnace George George Anson glass glycerides green heat hole hydrogen inches iron keep length less light liquid magnetic milk mirror molecules nearly never ocean old shoes oxygen pail Pasteur pendulum piano pipe plants PLATE plumber pond salt screw sewer ship silk smoke pipe soap bubbles sodium solar cooker solder sound steam stick stop strong substances sun rays surface Techman temperature thing thread tree tube turn vegetables vibration violet vitamines warm water wheel waves wire wonderful wooden wool young Anson
Pasajes populares
Página 125 - We were drawing nine! My hands were in a nerveless flutter. I could not ring a bell intelligibly with them. I flew to the speakingtube and shouted to the engineer: " Oh, Ben, if you love me, back her! Quick, Ben! Oh, back the immortal soul out of her!
Página 14 - They mount up to the heaven, they go down again to the depths ; their soul is melted because of trouble, They reel to and fro, and stagger like a drunken man, and are at their wit's end.
Página 15 - They reel to and fro, and stagger like a drunken man, and are at their wit's end. Then they cry unto the Lord in their trouble, and he bringeth them out of their distresses. He maketh the storm a calm, so that the waves thereof are still. Then are they glad because they be quiet; so he bringeth them unto their desired haven.
Página 138 - I know that my REDEEMER liveth, And that He shall stand in the latter day upon the earth: And though after my skin worms destroy this body, Yet in my flesh shall I see God : Whom I shall see for myself, And mine eyes shall behold, and not another.
Página 104 - Hark ! hark ! the dogs do bark, The beggars are coming to town, Some in rags and some in tags, And some in velvet gowns.
Página 137 - At last divine Cecilia came, Inventress of the vocal frame ; The sweet enthusiast, from her sacred store, Enlarged the former narrow bounds, And added length to solemn sounds, With nature's mother- wit, and arts unknown before.
Página 30 - Take us the foxes, the little foxes, that spoil the vines: for our vines have tender grapes.
Página 139 - Some talk of Alexander, And some of Hercules ; Of Hector and Lysander, And such great names as these...
Página 190 - This book was written at Orrhoa, a city of Mesopotamia, by the hands of a man named Jacob, in the year seven hundred and twenty-three. In the month Tishrin the latter it was completed.
Página 124 - Half twain!" This was frightful! I seized the bell-ropes and stopped the engines. "Quarter twain! Quarter twain! Mark twain!" I was helpless. I did not know what in the world to do. I was quaking from head to foot, and I could have hung my hat on my eyes, they stuck out so far.