{"product_id":"ra-8906-g-w-r-1947-pattern-permissive-block-indicator","title":"RA 8906  G.W.R. 1947 PATTERN PERMISSIVE BLOCK INDICATOR","description":"\u003cp\u003eA fine example of a \"pegging\" Great Western Railway Permissive block indicator, these instruments were used on permissive goods loops where up to six trains could be permitted to enter. The numbers on the dial were so both signalman could keep a tally on when trains entered the loop. This instrument is in fine ex box condition and full working order.\u003c\/p\u003e","brand":"Junction Railwayana","offers":[{"title":"Default Title","offer_id":43831450402894,"sku":"RA 8906","price":275.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/9284\/3086\/files\/20260603_141202.jpg?v=1780584966","url":"https:\/\/junctionrailwayana.com\/products\/ra-8906-g-w-r-1947-pattern-permissive-block-indicator","provider":"Junction Railwayana","version":"1.0","type":"link"}