WW2 Military RANGE FINDER / GUN ANGLE LEVEL / gunners square. P.B & S Ltd,

A superb and rare piece of equipment dated around 1940 with military broad arrow.

Good condition for age, with good bright lettering and sound tight folding action. Original spirit level and plumb line weight.

It all folds away very nicely and measures 49" wide x 26” high.

Alternatively, this is a war time Inclinometer / Clinometer /archipendolo used for surveying !