| Show A remarkable device for COl the thu safety of ships f in III foggy weather Is II being ex with In San Fra Francisco bay bayt a aIt It t consists of a fog buoy which Is so constructed lod as to catch tho Found waves of the ships whistle and echoing It t back k thereby the tho ship s p of ho tho Il conee of ot danger According to Popular Mechanics tho ho buoy Is con constructed of or corrugated Iron sheeting on plies piles and built in three wings placed at different angles ongles Each Ench wing wings Is s feet Ceel square The idea was vas given birth accidentally There Thero has lIas al ways been much trouble In the upper art of San Francisco bay because the shore hore lights cannot be seen when the is had bad Pilots and skippers b egan to notice however how clearly ho tho corrugated steel warehouses es around returned thu sound of their whistles and an for COl some somo time have hae been guiding Iu thelt wa along by b the echoes rho ho new buoys buo s It is 11 expected will act In n the same samo manner |