... seem to be uncommon – the 12' switch carried on 4 slide chairs seems have seen very widespread adoption. Poring over pictures of Caledonian pointwork I have yet to seen any evidence of a heel plate being used, and I wonder whether CR practice was to locate the joint in a chair. Is it correct that in those circumstances there would be no fishplate connection at all between switch and closure rail? Otherwise there would presumably have to be a special chair at the heel capable of accommodating the fishplates joining these two rails. 2129_060637_030000000.jpg posted: 6 Nov 2015 13:00 from: Jim Guthrie John Palmer wrote: Poring over pictures of Caledonian pointwork I have yet to seen any evidence of a heel plate being used, and I wonder whether CR practice was to locate the joint in a chair. Is it correct that in those circumstances there would be no fishplate connection at all between switch and closure rail? Otherwise there would presumably have to be a special chair at the heel capable of accommodating the fishplates joining these two rails. John, I acquired ...