Light Tricolor Demonstrator is a self-contained demonstration of color mixing. Convenient off/on switch and turn knobs to precisely control individual light colors. Made of plastic, this is perfect for students to use in the science classroom setting or in a exploration lab.
Read MoreSend InquiryFor demonstrating that white light is composed of all the spectral colors through the additive maxing of the colors. Comprising a multi-colored circular disc having sectors of various spectral color in proper proportions. When rotating the Electric Newton's Color Disc at sufficient speed, all the colors will be observed to disappear by merging into a single white color. The disc has a friction pulley at the back touching the driving wheel with a handle. Complete assembly mounted on a stable base.
Read MoreSend InquiryHand Operated Newton Color Disk is divided into seven fan-shaped, turn red, orange, yellow, green, blue, indigo and purple seven colors. The disk rotates quickly, visible to the disc is white, that sunlight is composed of more than seven kinds of colors.
Read MoreSend InquiryThe movement is equipped with 13 gems. The Sports Running Timer machine can be used at -10°C~+40°C. Normally maintained within °C temperature range
Read MoreSend InquiryThe sports stopwatch belongs to the category of mechanical timing instruments. The watch machine adopts stainless steel spring, single metal light balance wheel, nickel base alloy hairspring and anchor vertical mechanism
Read MoreSend InquirySpecificaitons of Sports stop watch:
- 1/5 SECOND RECORDER
- 60 SECONDS
- 30 MINUTES
- 13 JEWELS
- CASE: BRASS CHROMIUM-PLATED
- START/STOP/RESET: CROWN
- SIZE: Dia50x70x16mm