US$ 101.40
Used to crank a row of 16 cam-driven rods through a moving sine wave
Drops a dense object and a feather together inside a 20-inch evacuated glass tube
75-inch aluminum-and-steel frame for mass-comparison work
this acrylic light guide traps an injected ray-box beam by total internal reflection
Meker-style natural gas burner delivers a broad
Half-Size Human Circulatory System Model, Compact Gifts_Bar Used to crank a rowSized for compact classroom display, the half size circulatory model traces arterial and venous pathways from heart to peripheral capillaries.
US$ 101.40
US$ 19.99
US$ 169.00
US$ 142.00