from the ebay listing for this bike:
Here for sale from the lifelong two-wheeled collection of an enthusiast is Jack Taylor Touring Tandem Serial No. 8177. It may be designated No.45 I think. This cycle is in excellent one owner from new condition as can be seen in the photos. DIMENSIONS: Steersman frame is 23 inches and top tube crossbar is 22.5 inches. Soker is 22 inches with a crossbar length of 23.5. The rear derailleur is Campagnolo Rally and the crankset is TA - small front crankset is Suntour Letec. Brakes are Mafac long arm cantilever type and dual discs. Rims are Super Champion. Saddles are by Ideale.