US$ 19.99
Plano-cylindrical lens at 50 by 50mm with 17 diopter optical power and ground polished edges
shipped with 100 discs and a tape roll in a clamping-plate-ready case
Long-focal 75mm convex glass mirror at 300mm focal length and ~1
Used to introduce known resistance into a circuit by removing brass plugs from sealed coil contacts
5% accuracy
Iodine Solution, 500mL - Reagent-Grade - The Curated Chemical Collection Base Shape_Rectangular Plano-cylindrical lens at 50 byReagent grade iodine in dilute potassium iodide solution, supplied for starch detection and indicator chemistry in educational and research laboratories.
US$ 19.99
US$ 90.00
US$ 35.00
US$ 59.99
US$ 19.99
US$ 29.45