Concave Glass Mirror, 50mm Diameter, 75mm Focal Length Glass Bottles_Reagent Bottles 5% ±1 digit accuracy across

5% ±1 digit accuracy across a 200mV to 1000V DC range distinguishes this handheld meter

Jumbo three-dimensional frog dissection model with keycard demonstrates amphibian anatomy and organ systems for detailed vertebrate teaching

75 by 3 inch wooden block for physics coursework

Single-cell iron-clad electromagnet on one C battery with integrated hooks for lifting demonstrations

Concave Glass Mirror, 50mm Diameter, 75mm Focal Length Glass Bottles_Reagent Bottles 5% ±1 digit accuracy acrossSteeply curved concave glass mirror at 50mm aperture and 75mm focal length, the f 1. 5 ratio favoring intense convergence demos and short throw real image formation work.