BCA Miniature Jig Borer/Jig Driller. Small Operation & Maintenance Manual together with a complete data pack consisting of three UK Sales and Technical Specification Catalogues for the Mk.2 and Mk.3, a Leinen Model BFL Catalogue (the original machine) and sales sheets for the other earlier UK-made version, the EXCEL Model "0". These machines were branded over the decades as Boley, Leinen, BFL, Ultra, Sigma-Jones and Excel. Also included is the article from lathes.co.uk and some of the associated, enlaraged illustrations.