Four in a Line

Stop valve and fire hydrant at East Tytherton, Wiltshire. There are two anonymous companion markers. I don't know their purpose, if they even have one.
On a fire hydrant marker in the U.K., the figure at the top is the size of the main that feeds that hydrant in millimetres – so 75mm here. (Three inches in imperial measure). The lower figure is the distance from the plaque to where the hydrant is in metres. But in which direction? You have to look for the iron flap let into the highway.
Nikon D2Xs and Vivitar 28mm f/2.8 Close Focus Komine-made lens. Aperture-priority; 100 ISO; f/9.5; 1/40th sec.