A Mystery from the Rottydaddy Archives (part 1)

This oddball is pretty famous, but definitely a rarity...can you guess the mfr. and name?

Yes, those are in fact men walking around on top of the fuselage (there were actually rope or cable handrails up there)... my source does not explain why. One can see the full-down elevator being applied to compensate for their weight...

Yes, those are in fact men walking around on top of the fuselage (there were actually rope or cable handrails up there)... my source does not explain why. One can see the full-down elevator being applied to compensate for their weight...