| Richard Penlake (author) Book cover for Roger Penlake "How to Colour Photographs & Lantern Slides by Aniline Dyes, Water, and Oil Colours, Crystoleum, and Other Processes", (London: Hazell, Watson & Viney, Ltd, ca. 1910) 1910 (ca) Book cover Private collection of Rob Oechsle LL/39726
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