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Browsing by Author W. T. WALSH, JOHN
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Issue Date | Title | Author(s) |
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1923 | THE ELEMENTARY PRINCIPLES OF LIGHTING AND PHOTOMETRY | W. T. WALSH, JOHN |
Issue Date | Title | Author(s) |
---|---|---|
1923 | THE ELEMENTARY PRINCIPLES OF LIGHTING AND PHOTOMETRY | W. T. WALSH, JOHN |