US$ 116.00
letting students read both small-cell and battery-stack voltages on a single instrument
Rounds out a comparative thermal-conductivity set with zinc at a moderate conductivity value
Two-wire one-meter potentiometer on a polished hardwood baseboard
supplied in a wooden case for full-classroom harmonic investigations
large and small helical springs
Human Nervous System Model on 18 x 8" Board Subcategory_Globes letting students read both small-cellMounted board display shows the central and peripheral nervous system in a single flat view, supporting nerve pathway and spinal anatomy teaching.
US$ 116.00
US$ 45.00
US$ 10.00
US$ 35.00
US$ 30.00