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Otago Daily Times, Issue 18750, 2 January 1923, Page 3

Although in rireat Britain the, lighting of emergency landing-grounds for aircraft 19 easily arranged, (hi? is not always the ease in snarsetv-nopulatnd regions; hence imtomitie apparatus which, requires attention only at long intervals is a necessity An illuminated wind-indicator and ground sign which will light, up automatical!}- at sunset „,i(i i'o out, at sunrise for six mnmhs or oven was lately tested at Croydon aceordiniVto Chambers’s .lourna . I is m Umform o°a ’mge T. of which the onger member measures 20ft in length, while the eross- ■ » ioft 10r.2. A rod with a halancePl V,i -P the end projects in line with the £n''o h r member, which it exactly balances. The whole contrivance swings hoi ll/ont.ilb 1 -i vertical pin passing through the Jimc- ?• i iveen the middle of the cross-piece ;n" of the longer member or tad. end of tho tail ib a vertical windvuViirh iho I bonding o wind. Slays fixed Jo an rod near Iho pin render the device rigid A anler fitted with dioptric lenses, above the middle of the crosß-pieeo throws a l.gh f 97 POO candle-power upon each of M e 27 ’.i* 1.,,01ved acetylene, stored m three il ’ ms j m . liehrs the light. The uurner i. nnimrifilicallvi; whilo the i,’, nI E U» ot .unjsfci,, £ light c.n I" infprvais. so as *o .» , . . ing-gronnd. At night the sign is visible a. "Win* light for 12 miles, and its shape and bearing are readily discernible at a d.sfance ot tiein two to three miles; m the day-time it can be seen five miles away. Drv-'on flics, which are finite harmless, arc, often falsely accused of having stinging P °St Ciß .iame3’s Park. London, used to be a swamp meadow, iu which stood a hospital for lepers.