Die Farben und ihre Toene

1909. EHLERT, Wilhelm. Die Farben und ihre Töne. Technische Anleitung zum Anlegen, Mischen und Drucken von Tonfarben. [2], title, 27 pages with one full-page diagram, text printed within ornamental typographical borders in varying colours, followed by 7 plates with 245 colour specimens. Folio, 320 x 235 mm., folder containing text pamphlet and loose plates as issued, in a new cloth folding box. Berlin: Im Verlag der Zentral-Kommission der Maschinenmeister Deutschlands, 1905. An extremely rare and attractive manual for chromolithographic printing which would seem to be unrecorded, not listed on OCLC. Some insignificant foxing to the text, folder worn.