This is one of those photographs that you know could be enlarged indefinitely with integrity intact. And, guess what? This was with HP5, that rugged grainy old film.
And again; this time with grainy old Tri-X! But this is hard to see on the website, so here's a crop of the radiator top and some fine markings:
The Trip just goes on giving! At the risk of going all nerdy - look at the stamped figures aft of the diesel tank cap; now that's sharp! And this is Tri-X not some super-smooth modern emulsion. Triptastic!