Stories by George M. Hopkins

Microscopic Notes

Eight Light Dynamo

The Gyroscope

Polarized Light

Microscopic Examination of Ciliated Organisms by Intermittent Light

Simple Holtz Machine and Experiments in Static Electricity

How to make a Telescope

Apparatus for Combining Rectangular Vibrations

How to make a Working Telephone

Electrical Indicator for Showing the Rotation of the Earth

Soldering