3B Scientific U19515 4 Piece Grating Set
Category: Toys & Games | Learning & Education | Science Kits & Toys
Price: $121.00
Model number: U19515
Shipping weight: 0.8 ounces



Other Documentation User Manual
Consisting of four line gratings mounted in slide frame with protective glass plates. For students and demonstration experiments. 80, 100, 300 and 600 lines per millimeters. Projection aperture: 24 millimeters x 35 millimeters. Measures 50 millimeters length by 50 millimeters width.