Knife Switch, Double Pole - Single Throw, Double Pole - Single Throwdurable Plastic Base Knife Switches That Stand Up During Tough Student Use. Poles & Knives Are Made Of Brass For Good Electrical Connections.
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200mm focal length, Lens measures 3in diameter, 0.2 weight
Pulleys Plastic, Double-Long, Double Plastic Pulley In Tandem, On A Steel Frame, With Hooks At Each End Carrying Two Plastic Pulleys With Diameters Of 38 And 50 mm, Inner Gap Of Pulley Measures 3 mm, Overall Length Is 11.4 Cm. Capable Of Holding Over 30 Lbs Of Weight.
Dynamometer, High Resolution, Material: Aluminum, Colour: Teal Blue Metallic, great tool for accurately assessing the weight of an object in both grams and Newton's, It has easy to read markings and is very user-friendly, Size: 0-250g and 0-2.5N Capacity, 8.75in len, 4 width, 0.3 weight
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 75 x 50 x 18 mm
Universal Clamp with Holder/boss head, Manufactured in stamped steel, head roates 360 degree, holds items 15 to 45 mm in diameter, one of the jaw is flat angled and the other is V, allows good gripping of all cylindrical shaped objects, Overall length: 15 cm
Premium Bosshead - Square Head, Industrial Series Classic Die Cast Alloy Bosshead, up to 15 mm Rods, Threaded metal one piece clamping screw, Holds rods orthogonal (90 degrees) to one another
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 50mm focal length, 2in diameter and 3.5mm thick
Rectangular Refraction Cell, Material: acrylic rectangular, Color: clear, excellent for showing refraction and internal reflection in water, and to measure its refractive index, has uniform wall thickness to eliminate distortions, Dimension: 6X3X6.2 CM
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 200mm focal length, 2in diameter and 5.5mm thick
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 250mm focal length, 2in diameter and 4.5mm thick
Can, This transparent overflow can is graduated to 125ml and includes an attached spout. Made of clear acrylic, the can measures 5.5cm I.D. X 7cm high with a wall thickness of 3mm.
Concave Mirror, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 4 in diameter, 150 mm Focal Length - 3mm Thick