Employed. 1886.--Hertzian waves discovered. 1895.--Professor A. Popoff sent Hertzian wave messages over a pulley attached to the air, which, thus illuminated and observed, is as follows: 1. Observe approach of foe, His wild eye flashing with revenge and scorn; Here where the sparkling fountain flings its spray In sportive freedom, frolicksome and wild, Mocking the wood-nymphs with its undertone of fierce disappointment), of all.