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  1. L. A. Jones, The Gloss Characteristics of Photographic Papers, J. Opt. Soc. Am. 6, 140 (1922).

1922 (1)

L. A. Jones, The Gloss Characteristics of Photographic Papers, J. Opt. Soc. Am. 6, 140 (1922).

Jones, L. A.

L. A. Jones, The Gloss Characteristics of Photographic Papers, J. Opt. Soc. Am. 6, 140 (1922).

The Gloss Characteristics of Photographic Papers (1)

L. A. Jones, The Gloss Characteristics of Photographic Papers, J. Opt. Soc. Am. 6, 140 (1922).

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Figures (6)

F. 1
F. 1

Diagrammatic views of the goniophotometer for reflection measurements (a) and as modified for transmission measurements (b).

F. 2
F. 2

Reflection records for (a) white blotting paper; (b) J. Opt. Soc. Am. paper (December, 1934 issue); (c) matte bromide paper (Portrait Bromide, Rough Luster), white tone; (d) the same, black tone, same exposure as for (c); (e) semi-matte contact paper (Vitava Athena B Smooth White), white tone; (f) the same, black tone, same exposure as for (e); (g) glossy bromide paper, ferrotyped, white tone; (h) the same, black tone, same exposure as for (g); (i) scraped plaster of paris block; (j) the same, with the function log (A sin θ) drawn on the record; (k) aluminum paint on tinned iron; (l) light gray semiglossy paint on tinned iron; (m) light gray glossy paint on tinned iron; (n) reflection from emulsion surface of a heavily fogged, fast plate (Wratten Hypersensitive Panchromatic); and (o) reflections from a second-surface-silvered mirror. Abscissae are the angles θ. Angle of illumination = angle of specular reflection = 45 degrees. Opacities of the wedge steps are marked on the left side of the records.

F. 3
F. 3

Values of Q/sin θ plotted against θ for (a) aluminum paint on tinned iron; (b) scraped plaster of paris block; (c) semi-matte contact paper, white and black tones (Vitava Athena B Smooth White); and (d) glossy, ferrotyped bromide paper, white and black tones, the values for Q/sin θ in this case being plotted on a logarithmic scale, for clarity. The squares represent brightness values as determined with a visual photometer.

F. 4
F. 4

Transmission records for (a) flashed opal glass; (b) strong soap solution, 2 mm thick; (c) leader strip for 16 mm moving picture film (matte-surfaced acetate stock); (d) liquid glue, 1 mm thick; (e) Wratten Hypersensitive Panchromatic plate, light fog; (f) process plate, light fog; and (g) blank, for comparison.

F. 5
F. 5

Values of D( = log10 Q) plotted against θ, for records (a), (b), (d), (e) and (f) of Fig. 4.

F. 6
F. 6

Prints from records on panchromatic film, of reflections from a semiglossy orange-red painted sample, (a) with an orthochromatic filter and (b) with a deep blue filter.