77/ 567 Zwart, P. [N.K.F.]. "Vertinde gevlochten koper kabel voor spanleiding". Leaf N122 from the N.K.F. Normalieën (Normalisation) booklet, (1924), 13x11,3 cm., recto letterpress text printed in black and blue, verso letterpress text printed in black, tipped onto grey paper mount along upper and lower margin.

- Mount trimmed to the (sl. trimmed) size of the leaf, w. loss of ms. text on verso.

= Verso mount w. the address stamp in green of Piet Zwart and w. part of a pencil annot. by Zwart ("blad uit een [...]/ N[...]").

Rosbeek p.21 and 22; cf. Monguzzi p.26f; cf. Müller p.39ff; cf. Brentjens p.134f; cf. Purvis, col. ill. between p.122 and 123; cf. Spencer '69 p.114; cf. Spencer '83 p.116.