Image taken from page 180 of 'A Practical Treatise on Mineral Oils and their By-products, etc' Image taken from page 180 of 'A Practical Treatise on
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Keywords: &, ., ancient, antique, blackletter, bldigital, book, books, borders, bygone, calligraphic, calligraphy, cover, date:1897, draw, drawing, font, historic, history, illustration, iltyd, image, letter, lettering, manuscript, map, medium, ornate, page, page:180, pages, public_domain, pubplace:london, redwood, scan, sherlocknet:category=diagrams, sherlocknet:tag=apparatus, sherlocknet:tag=carbon, sherlocknet:tag=copper, sherlocknet:tag=differ, sherlocknet:tag=experiment, sherlocknet:tag=furnace, sherlocknet:tag=heat, sherlocknet:tag=method, sherlocknet:tag=ordinary, sherlocknet:tag=plate, sherlocknet:tag=quantity, sherlocknet:tag=result, sherlocknet:tag=thermometer, sherlocknet:tag=water, sherlocknet:tag=weight, sketch, sysnum:003057463, vintage, vol:0