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GREATER BOSTON . . 2,233,458 pop., 345 sq. miles . . . 15 CHRYSLER SIRENS

Historic Boston -- and the surrounding communities of Cambridge, Brookline, Somerville, Chelsea, Belmont, Medford, Arlington, Malden, Everett, Revere, Edgeworth, Wellington and Watertown -- could be warned of impending danger with a system of just 15 Chrysler Sirens.  This quantity would provide coverage and assure the nearly two and a quarter million residents of the most effective warning system yet devised.

Power, sound mechanism, controls . . . all are included in this completely self-contained unit.  For local application, the Chrysler Siren can be operated manually from the Siren.  Alone, or as part of an entire system, it can be operated automatically by utility circuit from a remote-control point.

The mighty 180-h.p. Chrysler V-8 Industrial Engine develops a terrific 400 mile per hour blast.  The resulting sound, ranging in intensity from a deep-throated roar to a shrill scream, carries up to four miles in every direction from the rotating siren. 

Let Chrysler Siren engineers assist your community in planning its protection,  Learn why no other warning device compares for power, for mobility, and -- because of its tremendous coverage -- for economy.  Write: Dept, 14, Chrysler Siren Layout Service, Industrial Engine Division, Chrysler Corporation, Trenton, Michigan.

CHRYSLER AIR RAID SIREN

Defense is a vital need, shared by all. 
Join and assist the Civil Defense group in your area.