MS-403 PVG DEFLECTION MAGNETOMETER

Comprises a short magnetic needle of 20 mm. size with agate
bearing and a light aluminum pointer 75 mm. long for precise
o
reading and maximum damping, aluminum dial graduated in 0-90
in four quadrants, anti-parallax mirror slot, in a stout metal case of
100 mm. diameter. Compass box mounted on wooden base size
100 x 13.5 cm., fitted with half meter rule on both sides and with
four plastic feet