Ray Track Apparatus

Listing ID #5367928

e-14268 black finish metal box. 12v 24w straight filament lamp. lamp holder, with 1m of twin flex, is mounted in sliding metal bridge piece which provides sufficient adjustment to covering, parallel or diverging rays. box has slots to support a cylindrical lens & a triple slit screen. Extra slots are provided for filters. Dimensions 182x61x115mm approx. wooden board 400x280x13mm with matt white surface, mounted on rubber feet and carries a circular scale with four quadrants 0 – 90º graduated every 2º, with two lines at right angles. moq:-500 pcs, all prices are ex-works.