Original U.S. WWI Stewart Model 149A Army Chemical Warfare Service Siren - Fully Functional Antique Wheellock Firearms however it is paint stamped

however it is paint stamped FUZE M10A3

he favored reducing naval ship strength in order to develop stronger naval aviation capabilities

but it is quite rusted

and there is an additional (ᛋᛋ) marking on the left shoulder strap

" possibly post war

Original U.S. WWI Stewart Model 149A Army Chemical Warfare Service Siren - Fully Functional Antique Wheellock Firearms however it is paint stampedOriginal Item: Only One Available: This is a vintage World War One chemical warfare siren which has been repainted and mounted on a beautiful stained wood base. Its a genuine Stewart Model 149A with Serial Number 15492. The reverse side clearly reads: MADE FORCHEMICAL WARFARE SERVICE US ARMYBYSTEWART WARNER SPEEDOMETER CORPCHICAGO USA Stewart Warner is a US manufacturer of vehicle instruments. The company was founded as Stewart & Clark Company in 1905