1945-49: changes behind the scenes, The UK record industry in the post-war period, Current record formats and attributes, 10" and 12" 78 rpm records, Acoustic and electric recordings, Record speed, Record length limitations, 78 rpm albums and coupling options, Technical advances and new formats, Enhanced fidelity - ffrr, 33¿ rpm and 45 rpm Long Play records, Recording to tape masters, 1950-54: new formats, new speeds, New entrants and market developments, New formats, 12" and 10" 33¿ rpm Long Play records, 7" 45 rpm Short Play records, 10" 33¿ rpm Medium Play records, 7" 45 rpm Extended Play records, 7" 33¿ rpm Long Play records, Pre-recorded monaural tapes, 1955-59: introducing stereo, New entrants and market developments, New formats, Pre-recorded stereophonic tapes, Stereophonic microgroove records, Independent labels, The end of the line for the 78, Postscript: Dead Man's Corner, Appendices, Concurrent publications for UK record buyers, Periodicals, Catalogues, Books, Supporting tables, etc., Inclusions/exclusions in tables, Date reviewed and date advised - what do they mean?, Sources, Sources used in both text and Appendices, Bibliography