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Home / Physics & Electronic Laboratory Apparatus

MS-422 PVG ELECTROSCOPE, PITH BALL

  • Consist of a 100 ml. conical borosilicate flask. A brass rod passes through a cork which seals the mouth of flask, upper end of which is in the form of a disc and at lower end gold leaf is attached
  • For demonstration of Gauss’s Law for distribution of charge and the dependence of field strength near a conductor on its radius of curvature. Comprises a hollow cone 120 x 50 mm., a cylinder 120 x 50 diameter and a sphere of 50 mm. diameter. Narrow end of hollow cone is rounded to make good contact with a proof plane and to reduce charge leakage. Each mounted on insulated pillars with bakelite base

Consist of a bakelite base on which is mounted a right angled
plated brass pillar. Two spheres are attached by nylon cord to the
upper end of pillar.

SKU: MS-422 ELECTROSCOPE, PITH BALL Category: Physics & Electronic Laboratory Apparatus
  • Consist of a 100 ml. conical borosilicate flask. A brass rod passes through a cork which seals the mouth of flask, upper end of which is in the form of a disc and at lower end gold leaf is attached
  • For demonstration of Gauss’s Law for distribution of charge and the dependence of field strength near a conductor on its radius of curvature. Comprises a hollow cone 120 x 50 mm., a cylinder 120 x 50 diameter and a sphere of 50 mm. diameter. Narrow end of hollow cone is rounded to make good contact with a proof plane and to reduce charge leakage. Each mounted on insulated pillars with bakelite base
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  • PENTAL HEADS MICROSCOPE TECHNICAL SPECIFICATIONS : Trinocular & Binocular Observation Head Siedentopf Trinocular Observation head inclined at 30° rotable at 360° (1 set). Binocular observation heads inclined at 30° fixed on adjustable stand (3 sets) Vertical focusable phototube for photomicrography Diopter adjustable ring on ocular tube (±5) Interpupillary distance from 47mm to 78mm. Optinal tilting observation head Angle 5° - 35°. EYEPIECE: Extra wide 10x (paired) F.O.V. 22mm. Ocular dia 30mm. OBJECTIVES (Infinite Corrected) Anti Mold : Plan Achromat 4X(N.A. 0.1 W.D 30mm), 10X(N.A. 0.25 W.D 20.1mm), 20X(N.A. 0.4 W.D 6.4mm), 40X(N.A. 0.65 W.D 0.7mm),100X(N.A. 0.125 W.D 0.2mm) STANDARD ACCESSORIES: 12V/100W halogen tungsten bulb, dust cover, blue filter, guarantee card, operating manual and styrofoam molded pack. MECHANICAL BODY: Co-axial focuaisng control with large knob, PRE-FOCUSING LEVER & TENSION ADJUSTMENT RING. Reverse angel sextuple nosepiece with slot for polarizer. Mechanical stage size 187mm X 167mm & having low positioned co- axial controls on ball bearing guide ways capacity to hold tow glass slides at a time. Fine div. 0.001mm, coarse stroke 35mm X54mm per rotation. Moving rangel 78mmX54mm. Upper limit stopper. Hard coated mechanical stage surface. B/G LED POINTER: Focusable with light intensity control, Blue & Green. SUB STAGE CONDENSER: Swing out front lens, abbe condenser N.A.0.9/125, filter holder and iris diaphragm. IIIUMINATION SYSTEM: Kohler illumination system with 12V-100W halogen exernal illuminator. Aspherical collector. Birghtness control knob. Optional 3W LED available. NMK-30 PENTAL HEADS MICROSCOPE
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