Reading Magnifier, 60mm, 10cm Focal Length, Alternate Model Capacity_3000mL 5-ohm reference coil non-inductively wound

5-ohm reference coil non-inductively wound from constantan on a 43mm ABS-supported bobbin with three 4mm sockets

bridging the reach gap between the standard 500mm and the long-haul 1000mm plug-to-plug patch wires

1000ML CAPACITY || Beaker has a 1000mL capacity and features white printed graduation lines every 100mL

6 lb iron tension weight

supplying precise low-resistance values for Wheatstone-bridge and Ohm's-law investigations

Reading Magnifier, 60mm, 10cm Focal Length, Alternate Model Capacity_3000mL 5-ohm reference coil non-inductively woundDrops 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.