Synthetic Permanent Slide Mounting Medium, 500mL Chemical_Bismarck Brown producing the nearly uniform field

producing the nearly uniform field used to calibrate magnetic sensors and verify the Helmholtz geometry

capturing plenty of flux for vivid magnification and reflector-style optics

ABS plastic pulley with a 50mm ball-bearing wheel

this motor-generator pairs a split-ring commutator against slip rings with bulb indicators

Working replica of Alessandro Volta's pile

Synthetic Permanent Slide Mounting Medium, 500mL Chemical_Bismarck Brown producing the nearly uniform fieldSynthetic resin 500mL alternative to natural Canada balsam, the larger volume permanent mounting medium for histology and microscopy slide preparation with consistent optical clarity over time.