Optics: spectra of various stars, including our sun. Coloured process print by Cassell.
About this picture
London : Cassell & Company.
1 print : process print, printed in colours ; image 8.8 x 17.2 cm
Spectra of the sun and stars. I. Sun. II. Sirius. III. Aldebaran. IV. Betelgeuze.
Where to find it
You can use this work for any purpose, including commercial uses, without restriction under copyright law. You should also provide attribution to the original work, source and licence.
Creative Commons Attribution (CC BY 4.0) terms and conditions https://creativecommons.org/licenses/by/4.0