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Stories by George M. Hopkins

A Simple Camera Shutter

March 31, 1906 — George M. Hopkins

A Convenient Camera

March 10, 1906 — George M. Hopkins

Unscientific and Scientific Divining Rods

January 20, 1906 — George M. Hopkins

An Electric Chime

January 6, 1906 — George M. Hopkins

The Demagnetization of Watches

December 2, 1905 — George M. Hopkins

Making Carbon Rods and Plates

October 7, 1905 — George M. Hopkins

Recording Telegraph for Amateurs

February 21, 1903 — George M. Hopkins

Spectral Photography

December 27, 1902 — George M. Hopkins

Correspondence - September 6, 1902

September 6, 1902 — George M. Hopkins

Some Modifications of the Normal Photograph

August 30, 1902 — George M. Hopkins

Home-Made Electric Night Lamp

February 15, 1902 — George M. Hopkins

A Few Meteorological Instruments

November 16, 1901 — George M. Hopkins

VII. Simple Hygroscope

January 19, 1901 — George M. Hopkins

VI. A Metallic Thermometer

December 29, 1900 — George M. Hopkins

V. An Inexpensive Water Motor

December 22, 1900 — George M. Hopkins

IV. Simple Electric Motor

December 15, 1900 — George M. Hopkins

III. Simple Electric Motor

December 8, 1900 — George M. Hopkins

II. The Electric Chime

November 24, 1900 — George M. Hopkins

A Home-Made Steam Engine

November 17, 1900 — George M. Hopkins

Hand Feed Electric Lamp for Lanterns

December 26, 1896 — George M. Hopkins

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