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Show AIR USED TO RING UP FARES. Aviators arc not the only persons who can take a fall out of (he air. Mr. McAdoo of Hudson tunnel fame, is going them one bettor. lie is making the air work for him. A young inventor gave him the idea and he is following it up by having a compressed air device which registers regis-ters the number of passengers using the "tubes" installed in the Hoboken terminal. In the contrivance which V.r. Mo-Adoo Mo-Adoo is ushiT, a constant flow of compressed air is directed toward a disk equipped v-itli an electric reg-j reg-j istering appar;:;i;. A p'T-on j.aps- . j ing tliroup' ti.o e-,:iT. et of air in " r-I r-I rupis the pr'-.-u;" aLra:n-f the disk ! anil this 'Tins r.V' the fare. J TI.o 'I'-vk-c promises jo prove j practical. |