Microphotometer

A simple recording microphotometer

by Jamie Lindsay Shumway.

Spectrochemical analysis in 1938: a companion book to "Spectrochemical abstracts 1933-38"

by F. Twyman, September, 1938.

Objektive Spektralphotometrie

von L.S. Ornstein, W.J.H. Moll, H.C. Burger, [hrsg. von Karl. Scheel]

Automated photographic measuring system

Institute of Astronomy, Cambridge

The Harvard photoelectric microdensitometer

by George Z. Dimitroff and Donald H. Menzel

An application of the registering micro-photometer to the study of certain types of laboratory spectra

by Arthur S. King and Peter Paul Koch ...

Risultati ottenuti col microfotometro del R. Osservatorio Astrofisico di Arcetri

Guglielmo Righini

Quantitative spectrographic analysis with the microphotometer

by D. M. Smith.

A spectrophotometric development for biological and photochemical investigation: (with three plates)

by F. S. Brackett and E. D. McAlister.

A new microphotometer for photographic densities

by W. F. Meggers, associate physicist, Paul D. Foote, physicist, Bureau of Standards. June 30, 1920 ...