US$ 52.92
sweat glands
supplying precise low-resistance values for Wheatstone-bridge and Ohm's-law investigations
providing a measurable stress-strain study on paired wire specimens
sized to drop a low-resistance load into a student-built circuit without rewiring or component-mounting
Reading Magnifier, 60mm, 10cm Focal Length, Alternate Model Capacity_3000mL sweat glandsDrops the focal length to 10cm on a 60mm aperture in alternate model framing, the shorter focus delivering more magnification at the cost of field of view.
US$ 52.92
US$ 14.65
US$ 159.95