Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics this analog DC ammeter at

this analog DC ammeter at 0

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

Rotation-to-linear gear-rack simple-machine model converting circular gear motion into straight-line rack travel

Base-mounted 2-stroke diesel engine model in aluminum and plastic

Cut-away 17-inch active volcano model reveals magma chamber

Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics this analog DC ammeter atArticulated joints allow posing the 17. 5 inch skeleton in various positions for kinesiology demonstrations, mounted on a rod stand for tabletop reference.