Precision densitometers for photographic photometry

[1] BAZZONI, 1924, J O S A R S I, V8, P381

[2] BEHR, 1924, BOST M OPT SOC AM OC

[3] GIBSON, 1923, J O S A R S I, V7, P693

[4] GIBSON, 1919, J O S A, V2, P23

[5] HARRISON, 1923, J O S A R S I, V7, P999

[6] KOBSON, 1923, P ROY SOC, V104, P248

[7] KOCH, 1912, ANN PHYS, V39, P705

[8] MOLL, 1921, P PHYS SOC, V33, P207

[9] PERRINE, 1924, J O S A R S I, V8, P381

[10] PETTIT, 1923, J OPT SOC AM REV SCI, V7, P187

[1] BAZZONI, 1924, J O S A R S I, V8, P381

[2] BEHR, 1924, BOST M OPT SOC AM OC

[3] GIBSON, 1923, J O S A R S I, V7, P693

[4] GIBSON, 1919, J O S A, V2, P23

[5] HARRISON, 1923, J O S A R S I, V7, P999

[6] KOBSON, 1923, P ROY SOC, V104, P248

[7] KOCH, 1912, ANN PHYS, V39, P705

[8] MOLL, 1921, P PHYS SOC, V33, P207

[9] PERRINE, 1924, J O S A R S I, V8, P381

[10] PETTIT, 1923, J OPT SOC AM REV SCI, V7, P187