abbreviation of ZINCOGRAPH.
1887. Scott. Leader, 23 Nov., 5. The zinco has some resemblance to Mr. G.
1889. Athenæum, 26 Oct., 541/2. Drawings Wanted (on litho paper for zincoing) for a Provincial Journal.
1891. Cost of Production (ed. 2), 44. Various ‘processes’ of which the ‘zinco-process’ is one of the commonest.
