Title
A useful variant of the two-line method for calibration of photographic emulsions
Author
Schmidt, R.
Centraal Instituut voor Materiaal Onderzoek TNO
Publication year
1948
Abstract
Fundamentals of the two-line method of emulsion calibration, in which the characteristic curve is derived from densities of two spectrum lines of constant relative intensity, photographed at different densitiy levels, are discussed. It has been found, that the principles of this method can be applied to the presentation of data obtained by any method of calibration, which is based on an intensity pattern following a geometrical series. The scope of the method is considerably widened by substitution of densities
Subject
Materials
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DOI
https://doi.org/10.1002/recl.19480670908
TNO identifier
572434
ISSN
0165-0513
Source
Recueil des Travaux Chimiques des Pays-Bas, 67 (9), 737-744
Document type
article