Haga Altimeter 6 Scale

Altimeter HAGA / Haga Meter / Hagameter
Haga Altimeter :
An optical rangefinder may be attached to the Haga Altimeter. Used with its multirange target, this rangefinder enables you to determine quickly and precisely base length distances of 15, 20, 25 or 30 feet, yards or  meters. Complete instructions included with the altimeter, optical rangefinder, and multirange target.