Alnico U-Shape Magnet, 50 x 13 x 10mm Material_Nylon Vernier reading to 6 arcminutes

Vernier reading to 6 arcminutes on a 0-360 degree scale lets the rotatable analyzer measure optical rotation through the 20cm sample tube of this Laurent half-shade polarimeter

Single-channel aluminum 1-meter bench with engraved graduations and leveling-screw feet

and cytoplasm for classroom cell biology instruction

and commutator function from the inside out

Wide-mouth reagent bottle in heavy-duty borosilicate glass holds 1000mL with glass penny stopper for chemical storage and laboratory handling

Alnico U-Shape Magnet, 50 x 13 x 10mm Material_Nylon Vernier reading to 6 arcminutesAluminum nickel cobalt U shape at 50 x 13 x 10mm with an 18mm pole gap, packaged with a keeper that bridges the poles to keep the field intact between sessions.