Human Skeletal System Model Hypotenuse_50mm providing a non-mercury alternative for

providing a non-mercury alternative for chemistry and physics classroom temperature work

4A single-phase rheostat with cover-protected constantan winding on a 200x56mm tube and 4mm safety socket terminals

the larger working face giving longer beam paths for measurable lateral-displacement studies

Aluminum-cased plotting compass with a glass face and a dial marked with principal points

the smallest three-wire option for very early counting and number-sense work

Human Skeletal System Model Hypotenuse_50mm providing a non-mercury alternative forNumbered desktop skeletal model mounted on a base positions every bone in natural anatomical alignment, supporting skeletal identification coursework with a key card.