US$ 18.00
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
this analog DC ammeter at 0
reducing the need for separate tool types
4A rear-panel fuse
Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics bottle in borosilicate glass holdsArticulated joints allow posing the 17. 5 inch skeleton in various positions for kinesiology demonstrations, mounted on a rod stand for tabletop reference.
US$ 18.00
US$ 20.00
US$ 1208.00
US$ 10.00
US$ 1083.00
US$ 785.50
US$ 1986.00