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1958

Photography

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A Method Of Analytical Dye Densitometry Utilizing Infrared Radiation, Calvin Besore May 1958

A Method Of Analytical Dye Densitometry Utilizing Infrared Radiation, Calvin Besore

Theses

A densitometric technique is described which yields analytical dye densities from a negative- positive color print film in a time less than would normally be required to process the film. In this technique, a correlation is established between the dye density produced by the complete process and the silver density produced by the initial development, the latter being determined by an application of infrared densitometry. Equipment utilized and procedure followed are described and some theoretical aspects and limitations reviewed.


A Practical Investigation Of The Effect Of Reciprocity Law Failure In The Wollensax Fastax High Speed Camera Wf-3, Stanley Feigenbaum Jan 1958

A Practical Investigation Of The Effect Of Reciprocity Law Failure In The Wollensax Fastax High Speed Camera Wf-3, Stanley Feigenbaum

Theses

Not provided.


A Shortened Type "C" Process (Characteristics Of A Combined Bleach-Fix), Donald Sykes Jan 1958

A Shortened Type "C" Process (Characteristics Of A Combined Bleach-Fix), Donald Sykes

Theses

The theory of combined bleach-fix bathes is discussed with an explanation of the function of sequestrene. Three investigations are described were the components of the solutions are varied, and the results stated. Formulas of successful bleach-fix baths used with a Kodak P122 Process are given.