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Archival descriptionReport on experiments with resin purified gelatine, and Q-227 in finishing 2147 type emulsion / A.R. Williams, E.A.R. Pilsworth, and G.A. Wilson
Report on experiments with resin purified gelatine, and Q-227 in finishing 2147 type emulsion / A.R. Williams, E.A.R. Pilsworth, and G.A. Wilson