{"product_id":"406-ww1-south-african-union-defence-force-trench-gas-alarm-rattle-wood-corrugated-alloy-wheel","title":"WW1 South African Union Defence Force Trench “Gas Alarm” Rattle (Wood \u0026 Corrugated Alloy Wheel)","description":"\u003cp\u003eHand-cranked wooden trench rattle alarm device, intended to create a loud warning noise (commonly for gas alerts\/stand-to) by rotating a corrugated metal (likely aluminium\/white-metal) wheel within the wooden housing. Construction and style are consistent with improvised\/locally-produced Great War warning rattles. There are 2 small cracks to right side of wood.  Rare item\u003c\/p\u003e","brand":"Lets Talk Militaria UK","offers":[{"title":"Default Title","offer_id":64675061268829,"sku":"406","price":200.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/7824\/5469\/files\/download_3ecc2c0a-f8f1-4569-acfd-a38be0e845d7.jpg?v=1778704343","url":"https:\/\/www.letstalkmilitaria.com\/products\/406-ww1-south-african-union-defence-force-trench-gas-alarm-rattle-wood-corrugated-alloy-wheel","provider":"Lets Talk Militaria UK","version":"1.0","type":"link"}