US$ 16.99
the f/4 curvature stretching the focal throw for projection-style image formation and reflector telescope analogues
this whirling hygrometer carries two thermometers from -5 to +50°C at 0
and integrated stirrer for liquid mixing
Twenty-two-and-a-half-inch wooden-meter-stick truss with centimeter graduations 1-50 on both sides
the air gap damping heat loss during measurement
Iron Clad Electromagnet (Alias HPEMG-S) Mechanics_Force & Motion the f/4 curvature stretching theNote: This product does not have an image. If you require one before making a purchase decision, please contact us.
US$ 16.99
US$ 158.80
US$ 88.00
US$ 15.38