Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size: 125 x 65 x 18 mm
Educational Diffraction Slide, For Demonstrating The Principle Of The Diffraction Grating And The Way In Which Its Properties Are Dependent Upon The Number Of Lines Per Unit Length. Comprises A Card Mount 90 X 40 mm Approximately With Three 16 X 9 mm Apertures
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 100 x 60 x 18 mm
Acrylic Light Pipe, 24x1/2in - Clear, 2 feet of pipe coiled up at one end to demostrate light transmission end to end, transmits light like fiber optic cable, Weight (lb): 0.7, Length (in):9.0, Width (in):3.0, Height (in):4.0