No. 169 (Jan 1908) to Vol. XV No. 180 (Dec 1908). Complete Volume. Color frontispiece, plates, text illustrations and tipped-in plates. A complete Vol. 15 of this important periodical which started in 1894. The St Bride Catalogue of Periodicals (p.28) notes: "A useful set for history and development of process work during the past 50 years. Vols. 1 to 12, 1894 to 1905, were entitled Process Photogram, Monthly Organ of Federation of Master Process Engravers". Ulrich & Kup (p.90) note: "Practical hints, not to be missed, whether interested in halftone, collotype, or lithography". (See Bridson & Wakeman F48 for earlier volumes). Bookplate of Lawrence Wallis. Endpapers foxed, signature in ink. Original printed cloth rubbed. Shaken. Remnants of small pocket on front pastedown. Bookplate of Lawrence Wallis.