As mentioned in CK's hyperlink to the '5th Seminar' article from december 1979 (as always in debt to our historic folk publisher!)
"There was even a lone foreign entry, this a Jack Taylor from England. For years the renown Taylor firm has built frames for English backlaners who tour historic unpaved roads, and who have formed an association known as the Rough Stuff Fellowship. For years Holland Jones, owner of Fulton Street Cyclery in San Francisco, had been badgering Taylor to ship a roughstuff bike. That which arrived a few months ago is probably the first in the country."
Here's some additional material I have since found on the Jack Taylor 'Rough Stuff' bicycle from 1979. Check those design and production dates out!!!
Ties in with the Highpath mid-50s chronology and designs too.
"The 'Rough Stuff' model was first produced by the Brothers in 1953, and was made from the 1-1 drawings a Nature Photographer drafted and gave to them. Camera equipment was heavy; and he wanted to take it back country in the "roof stoof" It has the major design elements of a modern mountain bike: small diameter wheels, a high bottom bracket, a sloping top tube, cantilever brakes. and triple chainrings. Derby ordered one in 1974 but as it took about 5 years to arrive, saw only a year's use before being replaced by a mountain bike.
It is equipped with a TA Triple crank with Lyotard Pedals and doubled Christophe clips; Mafac Brakes and Levers, Campy Bar-end shifters, Campy NR Rear Gear, Suntour Surpurbe Front Changer, Wheels by Derby King with 650B Super Champion Rims. The front wheel has a Campy Track hub drilled to 48* and the rear wheel sports 36 spokes of 10 and 11 gauge."
Perhaps CK can enlighten us into Mr. King, a name I wasn't familiar with to date, being a fellow parishioner and all...?!
Looking for all the world like my Overbury Pioneer design which is at least 5 years later - the geometry of the JT appears 'on the money' to say the least!
PS. Credits to the Derby King website - note that this bike is 'for sale' and might represent good value historic value at 800 bucks if it was the same frame that came down Repack on the 5th...
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CURRENTLY FOR SALE:
Holdsworth 531 Special Team - Cannondale ST400 - SUNN BMIX - Carbon Flite - Specialized M2