from the ebay listing for this bike:
This is a 1973 Jack Taylor Bicycle, Tour of Britain Model 10 speed. It is serial # 6559. It has a center crank to top of seat tube height of 56-57 cm. Frame material is Reynolds 531. It has a standover height of 33". The bike is in very nice shape. Original paint, no cracks or breaks. Minor road rash. Color is yellow with metal green accents and magenta accents at tube lugs. I bought the bike from the original owner in 1985. Its equipped as follows: Campagnolo shifters, Mafac brakes front & rear, Campagnolo front derailleur, Suntour Cyclone 7000 rear derailleur, Campagnolo front & rear hubs, Sugino "Super Mighty" cranks with Mavic clips, Cinelli "Campione Del Mondo" bars, Cinelli Saddle, AVA front rim and Mavic GP4 back rim (Sew ups). The chain ring gears have 52 & 42 teeth. The rear gears are 14, 16, 18, 24, & 26 teeth. It has front & rear fenders (not on bike). Fenders are Bluemels "Popular" (English). This bike rides very nice, very smooth & fast. Bike is ready for new tires.