owen robinson-
The Zefal HP and HPX are excellent pumps but if you are looking for a between the frame tubes type fit then the Zefal Rev 88 is the ticket. It comes in black, has a reversible presta/schrader head and is available in 4 different lengths to fit different frame openings. I bought one for a resto I was doing and find it quite good. SJS Cycles in the UK sells them here:
https://www.sjscycles.co.uk/pumps/si...it-cycle-pump/ for about US $6.50.