Equilateral Acrylic Prism, 50mm Length, 50mm Faces Material_ABS Plastic formed to measure atmospheric pressure

formed to measure atmospheric pressure through mercury or indicator-fluid column rise

this cast double burette clamp secures two burettes side by side for back-titration and comparative analytical procedures

the precision standard for Kelvin-bridge work

this brass cylinder on an ebonite-insulated base demonstrates Faraday-cage shielding and uniform-curvature charge density

High sucking power

Equilateral Acrylic Prism, 50mm Length, 50mm Faces Material_ABS Plastic formed to measure atmospheric pressurePairs 50mm length and 50mm faces on a polished acrylic equilateral prism with 60 degree angles, the wider face area handling broader incident beams for refraction and wavelength experiments.