1. Kodak A1794 Reference (shelfmark): Kodak A1794 Title: Scope & Content: Research Notebook A I to AV. I Leto formulae, II Wellington Formulae, III Notes on Gelatin analysis. Research; Emulsions; Gelatine Collection Area: Visual Arts Languages: English Date Range: c 1922-1923 Extent: 1 volume: Typescript; Manuscript