Gowland Folding Magnifier with Plano-Convex Lens, 0.75", 10x Subcategory_Microtomes Combined thermo hygrometer on an

Combined thermo hygrometer on an 85 mm metal dial pairing a -10 to 50°C thermometer with a 0 to 100 percent hygrometer for single-glance monitoring of room and laboratory conditions

this metal bench clamp anchors force-table and simple-machine experiments in physics classrooms

Micro natural gas Bunsen burner with a flame stabilizer and cast iron anti-tip base

Ten unmounted 3 by 2-inch plane glass mirrors at approximate dimensions

paired against zinc

Gowland Folding Magnifier with Plano-Convex Lens, 0.75", 10x Subcategory_Microtomes Combined thermo hygrometer on anGowland type 10x folding magnifier with two 0. 75 inch plano convex lenses in an aluminum frame, extra white glass delivering clear detail with minimal chromatic distortion.