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Russell image paper

Figure 1. A Russell image of a page from a hook. The paper has been exposed to light at the center, the top, and the bottom. Figure 1. A Russell image of a page from a hook. The paper has been exposed to light at the center, the top, and the bottom.
Figure 2. A Russell image of six segments of a 17th century hook paper. Clockwise from the top the treatments were water, barium hydroxide, aluminum sulfate, calcium hydroxide, sodium bicarbonate, and no... Figure 2. A Russell image of six segments of a 17th century hook paper. Clockwise from the top the treatments were water, barium hydroxide, aluminum sulfate, calcium hydroxide, sodium bicarbonate, and no...
Figure 3. A Russell image of two partially superimposed filter papers. Figure 3. A Russell image of two partially superimposed filter papers.
Oxidation is one of the major mechanisms for the degradation of paper, and the Russell effect has considerable potential as a tool for studying the way conservation treatments alter the progress of oxidation. Practically, the optical density of the images obtained could be determined by spectrophotometry, and a numerical comparison of sample images on the same sheet of film could be obtained. As yet, a mathematical... [Pg.315]

The earliest report on mechanically stimulated particle emission known to us dates from 1897 when W. J. Russel [1] found that a zinc plate, which is freshly rubbed with sand paper, could produce an image of the scratches when it was covered by a photographic plate after the stimulating treatment. His understanding of the phenomenon enabled him already to question if it is a form of energy (possibly what has been called dark light) that these bodies emit 7 ... [Pg.367]


See other pages where Russell image paper is mentioned: [Pg.313]    [Pg.314]    [Pg.315]    [Pg.316]    [Pg.319]    [Pg.313]    [Pg.314]    [Pg.116]   
See also in sourсe #XX -- [ Pg.321 , Pg.323 ]




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