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Narratives

Inscription

"'MARCONI' / FOUR SECOND ALARM / TYPE K.M.I. P.S.NO. 2106 / INST.NO. 301892 MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / LONDON" printed on iron plaque on front exterior surface. "PRESS TO / STOP CHART / ROOM BELL / DURING / LOCAL TEST" and "PRESS TO / SEND / SIGNAL / FOR / LOCAL TEST" printed on iron plaque on front exterior surface. "DASH RELAY / F ARROWS [SYMBOL] S", "SIGNAL RELAY" and "SPACE RELAY / F ARROWS [SYMBOL] S" printed on top of iron bolts on front exterior surface.

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