US$ 40.00
and oscillating springs
freefall times
Quarter-scale full-body muscular model at 18 inches tall shows superficial muscle groups in anatomical position
the fixed-focus lens and embedded scale supporting textile
and frequency response side by side
Right-Angled Acrylic Prism, 25mm Length, 35mm Hypotenuse Subcategory_Thermometers and oscillating springsCompact right angled acrylic prism at 25mm length and 35mm hypotenuse, the polished 90 45 45 degree faces redirecting light at right angles for total internal reflection demos.
US$ 40.00
US$ 224.50
US$ 162.00
US$ 917.50