OCR Text |
Show Wlr1M TeUsraphr Hn1 ailon1orr. Wireless telegraphy depends on the registration of an electric discharge which rnay l produced nt soveral miles' distance, Tbe registering or recording re-cording apparatus lies now been applied ap-plied to tbe icrvlce of the weather observer. ob-server. A flash of lightning and the wireless telegraphy receiving Instrument Instru-ment Is found capable of recording the discharge automatically. It Is one ot tbe most Interesting ot recent applies Hon ot electricity. |