Mounted Potentiometer Health & Genetics_Equipment & Supplies at plus-or-minus 10% tolerance for

at plus-or-minus 10% tolerance for high-impedance work

letting students see conduction-rate differences in one view

with adjustable cord and off-center mounting for asymmetric-loading oscillation study

this seasoned hardwood burette stand holds a single burette vertical at the bench for standalone chemistry setups

Astronomical telescope with Ramsden eyepiece and cross-hairs

Mounted Potentiometer Health & Genetics_Equipment & Supplies at plus-or-minus 10% tolerance forMounted pot box with two continuously variable potentiometers (0 10k ohms and 0 470k ohms at 1W plus or minus 5%) and 4mm safety sockets, providing two adjustable resistances on one apparatus.