Poster
Collection object
1987.0362.19
L. 34.1 x W. 24.0
Poster, b/w, semi gloss. Photo of model of Ardnacrusha Power Station, with explanatory text. Rev: blank. Obv: Printed black. Top, (large, bold) THE Irish Independent SHOWS THE SHANNON SCHEME. Below, the photo, with a narrow white border outside , and a narrow black line outside that. The photo shows the model, with the head race to the right, and the tail race to the left. It is set in a deep box - like stand, and a large map of Ireland behind it on the right, marked with the electrical distribution network. Behind the stand are a pair of windows with a pillar between, to which is secured on each side a curtain, by a band of material attached to the pillar. The photo is marked by a series of of capital letters, A to K, excluding D and I. Each letter denotes a particular part of the Ardnacrusha station, and are referred to in the text (see below). The letters A and G have an arrow pointing straight down to the relevant area. Below, text, in two columns. Left: The model on the IRISH INDEPENDENT Stand / shows the Power House at Ardnacrusha as it will appear / on the full development of the Shannon Scheme. / new paragraph / The water will flow from the Head Race (A) through / the Penstock (B) into the Power House (C), drive the / Turbines, and pass through the Draught Tubes into the / Tail Race (E). / new para / The Generators which produce the current, and / which are driven by the Turbines, are situated inside / the Power House, and are only partially visible in the / model. / new para / Three-phase alternating current, 50-cycles, will be / generated at a pressure of 10,500 volts. In the / (Right;) Station (F) the current will be transformed up to / 38,000 volts and distributed to the 38 KV transformer / Stations shown on the map. / new para / In the Outdoor Station (G) the current will be / stepped up to 110,000 volts, at which voltage it will / be transmitted to Dublin and Cork. / new para / The Navigation Locks (H) will be permit traffic between / Limerick and lough Derg. Barges up to 150 tons can / pass through them. / new para / Surplus water in the Head Race will flow through / the Waste Channel (K). The amount of the overflow / will be regulated by an automatic Sluice Gate (J). Below, large, caps, Ireland's two Foremost Powers -- The "IRISH INDEPENDENT" and the SHANNON SCHEME.