DEFLECTION MAGNETOMETER – GUPTA BRAND 8006208 Posted on March 4, 2017May 1, 2017 by admin A: Comprising a stout metal box, 100mm diameter, with aluminium dial graduated in degrees 0-90 four times, anti-parallex mirror slot made by bakelite. B: As above, but made of bakelite/metal case, mounted on wooden base with meter scale.
