CHAPTER VI.
SPECTRUM ANALYSIS.
Color Produced by Burning Different
Metals. The Spectroscope Shown in
Connection with the Coil. The Screen.
The Color Spaces in the Solar Spectrum.
Color Values 131-139
Induction Coils, How to Make, Use, and Repair Them. Including Ruhmkorff, Tesla, and Medical Coils, Roentgen Radiography, Etc. Etc. · 第 6 / 16 章