I remember those well, and had them on several of my bikes, before frame-fit pump heads became fashionable. I think your "umbrella" can accommodate a wide variety of pumps, including many with frame fit handles. The best period-correct pump for you is probably a Silca with a Campag. head; I doubt you want to go back to the old days of detachable hoses and flimsy aluminum tubes, as on Peugeot's original equipment Zefals and AFAs.