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  • Lens, Double Convex Quick View
  • Leslie CubeLeslie Cube Quick View
    • Leslie CubeLeslie Cube Quick View

    • Leslie Cube

    • Consisting of a galvanized iron box of 130 mm sides. The vertical faces are blackened dull, blackened bright, white and polished respectively, with a tubule at the top for the thermometer. Supplied with a thermometer.
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  • Light Box and Optical Set Quick View
    • Light Box and Optical Set Quick View

    • Light Box and Optical Set

    • A Robust light box in matt black finish with a 12 V 24 W axial filament lamp with flexible leads. One end of the box takes a cylindrical convex lens in an adjustable sliding mount to enable production of convergent, parallel or divergent beams. Complete with accessories which consist of: 5 Plastic blocks, one rectangular, One semicircular, One equilateral prism…
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  • Light Kit Quick View
    • Light Kit Quick View

    • Light Kit

    • A simple kit that helps explain to students the principle of reflection and refraction. Using mirrors, lenses, acrylic prism sets, and a ray box, light can be reflected and refracted in different ways. The acrylic prism set includes a triangular, half-round, double convex, and rectangular prism and two double concave prisms all packed in a wooden storage box. A Newton…
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  • Linear Expansion Quick View
    • Linear Expansion Quick View

    • Linear Expansion

    • A high-quality apparatus to determine precisely the co-efficient of expansion of various metals. An aluminum channel carries a 60 cm long metal rod enclosed in a heating jacket having three nipples for water intake, water outlet, and thermometer insertion. Dial indicator is a precision instrument sensitive to 0.01 mm/division and is securely mounted. As the apparatus works with hot water,…
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  • Linen Test Magnifiers, x10 Quick View
  • Liquid Level Apparatus Quick View
  • Litmus & Ph Paper Quick View
    • Litmus & Ph Paper Quick View

    • Litmus & Ph Paper

    • Perform science experiments in your own home using common household products! Litmus paper is used to determine whether a substance is acidic or basic. pH paper can be used to determine how acidic or basic it is. Included in this kit are 20 red litmus test strips, 20 blue litmus test strips, 40 pH test strips, and an activity guide.…
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  • Litmus Test Paper Quick View
  • Loop The Loop Triple Track Quick View
    • Loop The Loop Triple Track Quick View

    • Loop The Loop Triple Track

    • Understanding the principles of physics that occur on a roller coaster has become easier. This triple play apparatus consists of three tracks, one straight down, one with one loop, and the third with two loops. All three have different straight-up track lengths. At the end of each track is a catch sack to prevent losing the ball. The straight track…
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  • Loop-The-Loop Quick View
    • Loop-The-Loop Quick View

    • Loop-The-Loop

    • To demonstrate the conservation of energy, conservation of momentum, and projectile motion. Consists of a metal track to drop a steel ball, and a circular scale for measuring the angle at which the ball drops. Includes two steel balls and instructions. Size: approx. 110 cm L.
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  • Lung Apparatus Plastic W/TWO Balloons Quick View
    • Lung Apparatus Plastic W/TWO Balloons Quick View

    • Lung Apparatus Plastic W/TWO Balloons

    • Show how the lungs are emptied and filled with air by relaxation and contraction of the diaphragm muscle! Two balloons attached to a Y-tube simulate the lungs. The chest cavity is represented by a half-gallon plastic bell jar with an open top and stout rubber sheet which acts as a diaphragm. As the diaphragm is pulled downward, the atmospheric pressure…
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