Show invents mechanical aid to guide city visitors columbus ohio the Tele gulde gaide a mechanical aid to strangers has made its appearance in columbus Oo lumbus the device an invention of michael abel consists of a large scale map of 0 the central portion of the city over which are scattered little lights corresponding to various public buildings places of interest and bu business a alness firms each light Is numbered and listed on a large directory board the stranger et ranger seeking the location or of the county courthouse on referring to the directory finds it to Is number ber he steps to an instrument similar to an automatic telephone and dials a number light glows marking the courthouse three ldes constructed at a cost of will be available to the public soon one will be installed in the union station the others will be placed in the cites two largest hotels it was said that negotiations were under way tor for installing ldes fit at the century of progress at chicago next year to direct visitors to the various exhibits |