Drumbeg (click on photographs to bring up bigger/better versions).
[All photographs supplied by Marcus Simms - thanks, Marcus.]
Markings: "P" in a hexagon on the pump top and also on the extension piece.
Manufacturer: Trademark used by Puteus of Germany.
Markings: Lion, a British Standard Kitemark followed by a "D" and, lower down, "1941".
Manufacturer: Joseph Evans.