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Caption: Signalling London - Signal when Valerie Lomax, 20, of Hove ***** the new Aldis Longrange signalling ***** aboard her ship HMS President to *****exchange massages with important London buildings on Thames side today Thursday.The new lamp, five times more powerful than the previous model, is designed for ease of operation and to lessen ***** for the operator. A bulb ***** at full brilliance the whole *****, with signals made by a tubular shutter, which cuts off the light. The built-in telescopic sight enables the signaller to pick up a small target and helps in reading massages flashed at extreme ranges.The new lamp, weighing 4¾ pounds, is robust, watertight, and proof against sea water coarosion. October 07, 1954. (Photo by Reuterphoto).
Credit: Album / SuperStock / Sydney Morning Herald
Image size: 1753 × 2390 px | 12.0 MB
Print size: 14.8 × 20.2 cm | 690.2 × 940.9 in (300 dpi)