Comparative photographic Spectra of the Sun and the Metals
Photoprint - 12 photographic sheets of comparative spectra of Sun & metals.
Frank McClean was at Trinity College, Cambridge at the same time as Alexander Stewart Herschel and like Herschel spent much of his researching life working in spectroscopy.
Frank McClean was at Trinity College, Cambridge at the same time as Alexander Stewart Herschel and like Herschel spent much of his researching life working in spectroscopy.