Original U.S. WWI Stewart Model 149A Army Chemical Warfare Service Siren - Fully Functional One-of-a-Kind unlike the commercially made tubes

unlike the commercially made tubes

steel became the standardized material

toward the end of the war

offered in "as is" condition

Original U.S. WWI Stewart Model 149A Army Chemical Warfare Service Siren - Fully Functional One-of-a-Kind unlike the commercially made tubesOriginal Item: Only One Available: This is a vintage World War One chemical warfare siren with original paint. Its a genuine Stewart Model 149A with Serial Number 11840. The reverse side clearly reads: MADE FOR CHEMICAL WARFARE SERVICE US ARMY BY STEWART WARNER SPEEDOMETER CORP CHICAGO USA Stewart Warner is a US manufacturer of vehicle instruments. The company was founded as Stewart & Clark Company in 1905 by John K. Stewart. Their speedometers were