{"product_id":"railway-datsum-plates-free-download","title":"Railway Datsum Plates - Free Download","description":"\u003cp\u003eFree Download - Add To Checkout And An Email Copy Will Be Sent Automatically\u003cbr\u003e\u003cbr\u003eA railway datum plate is a small marker fixed to nearby structures like platforms,\u003cbr\u003ebridges, or masts to help engineers measure and maintain precise track alignment,\u003cbr\u003eWhat the Markings Mean\u003cbr\u003e• Plate ID (Top Number): A sequential number that identifies the specific plate location.\u003cbr\u003e• Offset: The horizontal distance measured from the plate to the edge of the nearest rail.\u003cbr\u003e• Cant: The degree of banking or elevation difference between the two rails on curves.\u003cbr\u003e• Track Identifier: Letters showing which specific line the plate refers to (such as Down or Up Main).\u003cbr\u003eUnderstanding the Slider Blocks\u003cbr\u003e• Slider Position: Set at the height of the nearest rail to monitor vertical alignment and track level.\u003cbr\u003e• Red Block: Shows the actual physical position of the track when the plate was installed.\u003cbr\u003e• Green Block: Shows the ideal design position used for modern alignment standards and tighter safety clearances\u003cbr\u003eRailway Datsum Plates OO\/O\/TT:120 \u0026amp; N Gauge\u003cbr\u003eCarefully Cut Out\/And Install On Platform Faces\/Lower Bridge Trusses's \u0026amp; Masts\u003cbr\u003e\u003c\/p\u003e","brand":"West Hill Wagon Works","offers":[{"title":"Default Title","offer_id":57515745313143,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/4175\/2439\/files\/Screenshot2026-10-06181338.png?v=1791306832","url":"https:\/\/westhillwagonworks.co.uk\/products\/railway-datsum-plates-free-download","provider":"West Hill Wagon Works","version":"1.0","type":"link"}