Safety Goggles - Indirect Vent Type_Tall Form formed to measure atmospheric pressure

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

Five-ohm metal-film resistance unit at plus-or-minus 1% accuracy with a 1

the longest focal value in the 50mm convex line giving the gentlest divergence and largest virtual image

deliberately using non-standard graduations to build empirical reasoning

Food-grade peroxide test strips in a 50-strip vial calibrated for the 3 to 10 percent concentration range

Safety Goggles - Indirect Vent Type_Tall Form formed to measure atmospheric pressureGeneral purpose googles with side ventilators. General purpose googles with side ventilators. Designed to protect eyes from chemical splash and dust.