Postcard, b/w, semi - gloss. Obv: General view of hydroelectric station penstock under construction. Narrow white border around photo. Rev: Printed black. Title, bottom, left. Centre, a line, vertical, descending, dividing the card, its upper end nearer the margin than the lower end, interrupted at its centre by 1180. Top, right, Post=Card, with below, two dotted lines, horizontal, then a space, then another two dotted lines, shorter than the two above them. Top right, dotted rectangular stamp frame, with, within, Printed / in / Germany / W 90 29. Left, parallel to and beside left edge, T. C. Caroll (sic - misprint - should read Carroll) & Sons Stationers, Limerick. Bottom, left, the title, Shannon Scheme / Siemens, Schuckert A.-G. / Siemens Bauunion G.m.b.H. / Berlin / General view of Penstock