The SciencesDecember 8, 1888
Simple Experiments in Physics
Stories by M. Hopkins
The SciencesNovember 24, 1888
Simple Experiments in Physics
The SciencesSeptember 22, 1888
Simple Experiments in Physics
The SciencesJuly 28, 1888
Simple Experiments in Physics
The SciencesJuly 21, 1888
Simple Experiments in Physics
The SciencesJuly 14, 1888
Simple Experiments in Physics
The SciencesApril 21, 1888
Experiments Illustrating the Principle of the Dynamo
TechnologyMarch 17, 1888
Simple Electric Motor
The SciencesFebruary 18, 1888
Re-Enforcement of Sound
The SciencesJanuary 21, 1888
Self-Luminous Buoy
The SciencesSeptember 10, 1887
Simple Process of Engraving Glass and Metals
The SciencesSeptember 3, 1887
Composition of Vibrations
The SciencesApril 23, 1887
Eight Light Dynamo
TechnologyDecember 4, 1886
Deprez's Galvanometer
The SciencesOctober 23, 1886
Polarized Light
Practical Applications of the Polariscope
The SciencesOctober 16, 1886
Experiments with the Scientific Top
The SciencesOctober 9, 1886
A Scientific Top
The SciencesOctober 2, 1886
The Demagnetization of Watches
The SciencesDecember 19, 1885
The Cycloidotrope
The SciencesJuly 25, 1885
The Microscope in the Mechanic Arts
TechnologyMay 27, 1882
Simple Sound Recorder
The SciencesJuly 30, 1881
A New Use for the Induction Balance
TechnologyJuly 23, 1881
Dynamic Electricity
TechnologyJuly 9, 1881
Expansion Voltameter