Stories by Albert G. Ingalls

About historic and modern machines for the generation of static electricity

About tiny mineral specimens and other matters, including a troublesome puzzle

About utilizing the moon to occult the stars and increase telescope resolution

About cultivating algae from the soil and making steady telescope mountings

About the eye of the snake and, by curious coincidence, a telescope like a gigantic eye

On the collecting of moths and butterflies and some ingenious and attractive sundials

Largely about an artist's earnest attempt to depict the particles of modern physics

About various things, mainly an instrument for the very precise measurement of length

About binoculars that are out of line and a telescope built by a group of schoolboys

About making a microscope, a new idea for a large telescope and other matters

About a hygrometer made from a flower pot, and huge telescopes with compound mirrors

On a well-made refracting telescope and testing airplanes in the bathtub

About snakes, the other side of the moon and unusual telescopes to follow rockets

Two astronomical matters: electronic light meters and "off-axis" reflecting telescopes

About the pleasures of paleontology and how to make a "fish eye" camera

Two optical matters: the making of a "fish eye" camera and the buying of a microscope

Mainly about a theory of color harmony and a new book for the telescope maker

On the nationwide net of weather observers and the ruling of a grating on a cylinder

About sundials and a cyclotron, the latter built by a group of bold high school boys

On the popular diversion of free diving, and a well-built Cassegrainian telescope

The archaeology of New York City, and Some incidental information on Palomar Mountain

About an ingenious electronic seismograph and the observation of changes on the moon

About the making of simple mathematical machines and the observation of Jupiter

About a small wind tunnel, cloud chambers and "primitive" techniques of measurement