Reading Magnifier, 100mm, 15cm Focal Length, Alternate Model Material_Hardwood incorporates overload protection and an

incorporates overload protection and an inbuilt tare screw for zero adjustment

Alnico-alloy bar magnet pair shipped in cardboard storage with steel keepers bridging the ends

Used to suspend in a Lorentz-force experiment via the back-mounting hole

Aluminium-rail Laplace apparatus with a marked mobile bar that moves under 2

and a tensioning pulley

Reading Magnifier, 100mm, 15cm Focal Length, Alternate Model Material_Hardwood incorporates overload protection and anChrome plated 100mm alternate model reading magnifier with a 15cm focal length, the broader lens capturing more page area while supporting general magnification for reading.