One of Thirteen Boxes of Three-Colour Separation Glass Positives
One of thirteen boxes of 3-colour separation glass positives, prepared by Sir William Abney from negatives taken by him.
Thirteen boxes of 3-colour separation glass positives
Thirteen boxes of 3-colour separation glass positives, prepared by Sir William Abney from negatives taken by him.
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Six of Thirteen Boxes of 3-Colour Separation Glass Positives
Six of thirteen boxes of 3-colour separation glass positives, prepared by Sir William Abney from negatives taken by him.
One of Thirteen Boxes of Three-Colour Separation Glass Positives
One of thirteen boxes of 3-colour separation glass positives, prepared by Sir William Abney from negatives taken by him.
