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Page 394
Algol , in the Head of Medusa , which is only a little bigger , and has but one - third more radiating surface , gives out sixty - three times as much light as our sun . It is forty - seven times as brilliant , area for area !
Algol , in the Head of Medusa , which is only a little bigger , and has but one - third more radiating surface , gives out sixty - three times as much light as our sun . It is forty - seven times as brilliant , area for area !
Page 395
A dark sun of just this description , almost exactly the size of our own solar orb , is paired with Algol , and , as it revolves , eclipses Algol every sixty - nine hours , causing the light of the latter to glare and fade alternately ...
A dark sun of just this description , almost exactly the size of our own solar orb , is paired with Algol , and , as it revolves , eclipses Algol every sixty - nine hours , causing the light of the latter to glare and fade alternately ...
Page
Where more light is needed - that's what the Angle Lamp gives . Because its best brilliancy is not wasted on the ceiling but is thrown directly downward by the " Angle " at which the flame burns , to light your book or table brilliantly ...
Where more light is needed - that's what the Angle Lamp gives . Because its best brilliancy is not wasted on the ceiling but is thrown directly downward by the " Angle " at which the flame burns , to light your book or table brilliantly ...
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Contents
Tapping the Gunnison Canyon | 18 |
How the Blood Defends the Body | 24 |
Sea Will Succor a Famished | 32 |
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