US$ 79.99
and a month-labeled base for tracking orbital positions through the year
pulley for force cord
this acrylic apparatus mounts a rotating protractor on a 15 by 9
Life-size muscular skeleton model features painted muscle origins
Metal spouting cylinder with multiple outlet holes at different heights
Holder for Diffraction Objects and Slides with Spring Clips State_Solid and a month-labeled base forSpring clipped metal frame on a mounting rod grips gratings, slides, and small diffraction objects in the optical bench beam path for repeatable interference and diffraction work.
US$ 79.99
US$ 24.99
US$ 24.99
US$ 199.99
US$ 99.99
US$ 109.99