Spectroscope
device · 1814 · Industrial Revolution
An instrument for splitting light into a spectrum (Fraunhofer, 1814); spectral analysis — Kirchhoff and Bunsen (1859).
Inventor: Joseph von Fraunhofer.
What it is made of
- Prism — has part. A prism.
- Lens — has part. A collimator.
- Diffraction grating — has part. A grating instead of a prism.
Principles and materials it uses
- Bunsen burner — uses. The burner’s colourless flame made it possible to study the spectra of elements.
- Brass — is made of. A spectroscope is brass.
Where it is used
- Helium — is used in. Helium was discovered by spectroscopy in the solar spectrum.
- Spectral lines — is used in. They are observed with a spectroscope.