Lab Quality Magnifying Glass, 2.25x, 2.5" Diameter Pack Size_50 this motor-generator pairs a split-ring

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

Supplied as the seven most common classroom sizes

each 20mm on edge with a top hook for suspending in water during Archimedes-principle and buoyancy experiments

High-level peroxide test strips in a 50-strip vial calibrated at 0

covering refraction shapes for a complete optics lab kit

Lab Quality Magnifying Glass, 2.25x, 2.5" Diameter Pack Size_50 this motor-generator pairs a split-ringLab quality 2. 5 inch magnifying glass at 2. 25x with a 5. 87 inch focal length, the optical glass producing undistorted views of specimens, fine print, and inspection details.