Eisco

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US$126.35
This Apparatus demonstrates the relationship between forces acting on a point. Simple to use—just adjust pulley position and amount of weight on demonstration board. Includes: Demonstration board, 26 x 20 in. (66 x 51cm); two aluminum pulleys, 2.0 in. dia. (50mm); mounting clamps; three nickel-plated iron hangers, 1.76 oz. (50g); 12 slotted weights, each 1.76 oz. (50mm).
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US$111.93
This 6 decade Resistance Box is easy to use with multiple value resistances and 4mm jacks. The EISCO Decade resistance Boxes are a robust solution in any electronics laboratory and ideal for testing circuits with different resistances. The ABS housing allows an easy reading of resistance values and easy changing of resistance values without having to remove them from the circuit.
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US$111.30
This is useful for demonstrating the properties of velocity. Demonstrates that the horizontal component of velocity of a body thrown vertically upward from another body moving horizontally is the same as that of the body moving horizontally.
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US$104.65
This decade resistance substitution box provides 4 decade ranges asgiven below and total value 0 to 11110 Ohms with a resolution of 1 Ohm. Each decade is selected using rotary switch. All resistance values are of ±1% tolerance and 2 watts maximum ratings.
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US$100.80
This teacher's molecular model set contains a large amount of atoms for most basic chemistry models. Includes: [45] Carbon (black), 4 Holes. [18] Oxygen (red), 1 Holes. [42] Oxygen (red), 2 Holes. [12] Oxygen (red), 4 Holes. [12] Metal (grey), 2 Holes. [10] Metal (grey), 3 Holes. [10] Metal (grey), 6 Holes. [36] Hydrogen (white), 1 Holes. [12] Sulphur (yellow), 4 Holes. [15] Nitrogen (blue), 3 Holes. [12] Phosphorus (purple), 4 Holes. [6] Phosphorus (purple), 3 Holes. [170] Medium Bonds. [100] Long (Flex) Bonds.
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US$99.19

This is for showing A.C. on an oscilloscope or meter or for demonstrating the use of a dynamo in lighting a lamp. This apparatus has a cycle dynamo mounted on a base. Two 4mm socket terminals are provided for the dynamo output, connected in parallel with an M.E.S. lamp holder and 2.5V bulb.

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US$98.28

This set contains two drilled balls each of the following materials: aluminum, brass, cork, lead, steel, and wood. These are perfect for pendulum experiments but can be used for a variety of lab needs. Plastic case with foam insert. 25mm in diameter. Total of 12 balls.

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US$97.99

This kit contains all the material required to build six complete motor models. Includes 12 magnets, six armatures, six pieces of mild steel yokes, six support bases, six support shafts, 24 connecting rivets, 12 split pins, one reel of 25 s.w.g., PVC tinned copper wire, two reels of cellotape, 300mm rubber tubing, and instructions.

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US$90.00
Demonstrates the molecular activity in gasses. To understand and study motion and behavior of molecules in gases. An electric motor, running at 4 to 12V DC vibrates a small platform inside a transparent tube so that a set of many small stainless steel balls are vibrated violently inside the tube.
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US$90.00
A platform is supported on spring steel strips which is made to oscillate in the horizontal plane under various loads. Two aluminum trays 130 x 50 mm., held approximately 200mm apart on spring steel strips attached to their sides. One tray has holes to take three equal mass cylinders, approximately 100 x 25 mm, length x diameter. Three support pins to fit radial holes in cylinders.
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US$83.86
Apparatus is designed to show vibrations in a stretched cord and investigate the relationship between frequency, tension and density. In addition the provision of electrical contacts, opened and closed by the vibrating armature, allow the apparatus to be used as a high speed changeover switch.
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US$77.00
Rheostat is wound with heavily oxidised constantan wire on a vitreous enamelled steel tube. The tube is supported on robust diecast end stands and the heavy duty sliding contact is of phosphor bronze, nickel plated for corrosion resistance, 4 mm terminal post are fitted facilitating external connection conventional 4 mm plug.
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US$73.15
Set Includes: 1 Rectangular Block 75 x 50 x 15mm. 1 Semi-Circle 90mm base x 15mm thick. 1 Equilateral Prism 75mm side, 15mm thick. 1 Double Convex Lense 90mm long, 23mm at center. 2 Double Concave Lenses 90mm long, 10mm at center.
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US$72.45
Projectile launcher is used to study kinematic equations, and conversion between gravitational potential and kinetic energy. Students participate in an interactive experiment for measuring the muzzle velocity of the launcher to identify varying launch angles in order to quantify the initial kinetic energy of the projectile (ball). Using their velocity calculations, students then make predictions about where the ball will land.
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US$69.93
This is the simplest DC electric motor model available. Comprised of a 2-pole armature wound with enameled copper wire, and a removable bar magnet to produce a permanent magnetic field, the motor also features a disc type commutator. External connection to the phosphor-bronze brush is by means of a pair of 4 mm sockets. Operates with 6-8 VDC.
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