The correct drive belt for the Record  No.1, No.2 and No.3 (and early models branded Coronet). These lathes are also found listed as the CL1, CL2 and CL3. Details of these early, well-made wood lathes can be found here: http://www.lathes.co.uk/coronet/page5.html

For the late-model Coronet Major lathe (this has a single-bar bed) the correct Poly-V belt can be found here: https://store.lathes.co.uk/parts/coronet-record-major-lathes-late-models-drive-belt