stadia metric range finder

'Atār Khawr argelander method (step method) cross storage discrimination validity disponees hyperspheroidal hypselothyrea (deplanothyrea) breviscutellata loxodromic spiral magnetoid monotectoid reaction muscular counterforce principal coordinate real weight silver-plated copper conductor sound lock special exemption terrestrial geocentric system Thaungdut unbucked unprosperable