Richard Penlake (author), 1910 (ca), Frontispiece and title page 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), Frontispiece and title page, Private collection of Rob Oechsle, LL/39727
Richard Penlake (author) 1910 (ca) Frontispiece and title page 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)