List, in order of preference.......

......circa 1964.....but before I discovered The Yardbirds obviously ;-)
(discovered in a dusty corner of WorMa's garage a couple of days ago, the contents of the Helix 'Summit Set of Mathematical Instruments'  is long gone, only the case remains!)

Almost a full house at Make, Do and Mend this morning......much yattering/cackling, coffee swigging and biscuit crunching ensued. Now I'm speculatively eyeing up a recuperative bottle of chilled pink....... 

EDIT :: Just added an extra of today's best scam call.....anyone willing to stand bail? ;-)