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Hokitika Guardian, 31 May 1917, Page 2

years-WOLFE’S SCHNAPPS. Meet me to-night in dreamland, dear; But beware and be wide awake, For the paths are dark in its lampless park. And you m<ght slip into the lake, Chills begin when you’re up to the chin In ice-cold water with duck-weed in; And the only means to survive and enJure Is a course of Woodis’ Peppermint Cure.

Mrs M. Gooch strongly recommend “No Rubbing" Laundry Help in 1/ cartoons for washing silks, linens, muslins, woollens, etc. Thinker Note Book free with ry packet “No Rubbing."

At *he Officers’ Institute. Wellington, on Saturday evening, a very interesting and instruotive lecture on wireless telegraphy was delivered by Mr A. Scott, chief electrician to the General Post Office. Mr Scott explained the elementary principle of electricity, and fully and clearly explained the relations of electricity to magnetism, nad led up to what was the foundation of wireless. He illustrated the analogy between sea waves, sound waves and electric waves, and -explained that long waves and short waves were the ba'is of the Morse code. In sea waves he demonstrated that it was the energy and not the medium that travelled. A stone dropped into water cause i an agitat on in the water, and the energy so erta f ed travelled and not the water. Pressure waves were explained, and their varying velocity, which depended upon the density of the medium. Air waves or wireless waves were then wireless station it was necessary to have an alternating current of high frequency, and this necessitated the use of many instruments. He showed how the current was sent into the air to cau e the wireless waves, and then illustrated how the waves were ca-ight at the receiving station. The tuning of the stations was illustrated; it depended on the wave length ; a station might b# working on a 2000-metre length alongside of others of say, 600 metres and 1800 tnelreq without jamming. With a postable Telefunken wireless apparatus he showed in a practicular way how the wirel ss waves were sent and received.

ForJlnfluenza take Woods’ Great Peppermint Cure. Never fails. 1/6, 2/C. Hokitika ladies happiest knittmgisocks for our soldier boys while “.No Rubbing ” Laundry Help does the weekly washing.—Dee Bros.