The SciencesMarch 17, 1917
How Eclipses Occur—I
And the Solar and Lunar Eclipses in 1917-18
Stories by Frederick R. Honey
The SciencesAugust 5, 1911
The Equation of Time
How Clock-Time is Related to True Solar Time
Space & PhysicsSeptember 22, 1906
How a Planet is Weighed
Space & PhysicsJuly 7, 1906
The Visible Heavens