Showing 1 - 2 results of 2 for search 'Welford, W. T.', query time: 0.01s Refine Results
  1. 1

    The optics of nonimaging concentrators light and solar energy. by Welford, W. T.

    Published 1978
    Book

    The optics of nonimaging concentrators light and solar energy.
  2. 2

    Geometrical optics optical instrumentation. by Welford, W. T.

    Published 1962
    Book

    Geometrical optics optical instrumentation.

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