Alnico U-Shape Magnet, 50 x 13 x 10mm Subcategory_Clamps and Bossheads Step-down transformer matched to a

Step-down transformer matched to a 35-watt sodium lamp on a 220V AC mains supply

3125 inches across

the smallest in the bar-magnet series

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

Molded black plastic replacement knob sized for the goggle sanitizer cabinet timer switch

Alnico U-Shape Magnet, 50 x 13 x 10mm Subcategory_Clamps and Bossheads Step-down transformer matched to aAluminum 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.