Convection Of Gas Apparatus, Small, Ventilation Apparatus, Smaller Sized To Fit In Any Classroom Than Standard Convection Of Gas Apparatus, Comprised Of A Metal Box 4inX6inX4in With A Sliding Front Door, Two Glass Chimneys And A Candle Holder.
Chemical detection of fingerprints, Utilize alternative methods for detecting fingerprints. Examine some possible methods of gathering evidence when dusting for fingerprints is not effective.
Ray Optics Kit, Consisting Of 2 Lamps Of 12 V, 24 W And Stands, 1 Pair Of Housing Shields, 2 Combined Single And Triple Slit Plates, 2 Multiple Slit Combs, 2 Holders For Combs And Slit Plates, 4 Wooden Light Barriers, 4 Plano Cylindrical Lenses + 7 D, 2 Plano Cylindrical Lenses +10 D
Slit, Five single slits of different widths in a slide frame. Specifications: Slit widths: 0.1/ 0.2/ 0.4/ 0.8/ 1.6 mm, Dimensions: 50x50 mm2, Weight: 0.02 kg
Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
Ripple Tank, Overhead, Dimensions: 15.5inx12inx4in, 6V DC power source and an overhead projector are required, demonstrates the generation, propagation, reflection, interference and diffraction of waves