US$ 15.00
Rust-resistant aluminum scissor jack with hand crank extends to 10
Plastic holder atop a 4
providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench
racked for force
Garage Physics Trigonometry Exploration Puzzle Kit Glassware_Crow Receivers Rust-resistant aluminum scissor jack withTrigonometry puzzle kit in wooden blocks demonstrating sine, cosine, tangent, cotangent, secant, cosecant, special triangles, and radians through tactile manipulation of each function.
US$ 15.00
US$ 34.00
US$ 16.99
US$ 51.99
US$ 58.99
US$ 12.99
US$ 48.99