A photometric attachment for spectroscopes

Author:	Nutting, P. G.
Year:	1911
Document Type:	USRA
Issuing Agency:	U.S. Dept. of Commerce and Labor, Bureau of Standards :
Series:	Bulletin of the Bureau of Standards ;
Report Number:	v. 7, no. 2
Subjects:	Spectrophotometry
	Spectrophotometer
Link:	https://hdl.handle.net/2027/mdp.39015086557959