Indeed, on ebay ( 230360259584 ) there are a set of Hetchins Anglo Continental handlebars, circa 1938, which are advertised as having a drops width of 18" (almost 46 cm). You'll have to go to Ebay UK to see these.
Mark Lawrence Oxford England
________________________________________ From: classicrendezvous-bounces@bikelist.org [classicrendezvous-bounces@bikelist.org] On Behalf Of Peter Brueggeman [4peebee@peterbrueggeman.com] Sent: 29 July 2009 18:34 To: classicrendezvous@bikelist.org Subject: [CR] period correct wide handlebars
Regarding period correct wide handlebars, the 1966 GB catalogue lists the wider of its two Touring drop bar bends at 44.45 cm (17.5 inches) center-to-center.
Peter
Peter Brueggeman
La Jolla California USA
4peebee(at)peterbrueggeman.com