12-Piece Solid Brass Slotted Mass Set Subcategory_Lab Jacks 75 inches on a swivel

75 inches on a swivel boss head that fits rods up to 18mm

used to extend the activity-series comparison and to introduce the chemistry of the lead-acid battery

5 newtons for measuring small forces during spring-law and tension-force classroom investigations

the half-size circulatory model traces arterial and venous pathways from heart to peripheral capillaries

Concave glass mirror

12-Piece Solid Brass Slotted Mass Set Subcategory_Lab Jacks 75 inches on a swivelTwelve piece brass slotted mass set spanning 1 to 500 grams, stackable on a slotted hanger for fine grained force and mechanical advantage investigations with a 1110 gram total capacity.