Eisco

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US$111.86
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$19.04
Stand with a receptacle for a ball at the top. 18 mm ball, a square piece of sheet metal and a trigger of sheet metal included. Pulling and releasing the trigger causes the square sheet to slide out from under the ball, dropping the ball in the receptacle by inertia.
Delivery within 1-2 weeks
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US$65.52

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$21.00
High quality borosilicate glass, sold in bulk packaging. Test tubes are light rimmed.
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US$8.40
Aluminum alloy clamp with plastic clamping screws. Two rectangular slots accommodate both square and circular rods as well as table edges and boards up to 16mm thick.
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US$6.33
Plastic Pipette 3ml graduated by 0.5ml. Translucent with precise graduation and good chemical resistance. Length 15.5 cm. Capacity 3 x 0.5ml. 
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US$55.93
The Spouting Cylinder is made of Perspex which gives a clear view of the variation level of liquid and pressure. A spouting cylinder demonstrates that the pressure of a liquid depends on depth/height.
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US$25.20
High quality borosilicate glass. Light rimmed test tubes. Classroom or lab sized quantities.
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US$28.00
High quality borosilicate glass. Light rimmed test tubes. Classroom or lab sized quantities.
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US$27.75
2 electrostatic pompons used for eletrostatic experiments. A metal rod mounted on an insulated plastic stand carries a round metal plate at its top and a fringe of 40 colored nylon cords. When the plate is touched with an electrostatically charged rod, the cords become charged and spread out into a wide cone by mutual repulsion.
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US$14.63
Bench clamp pulley 50 mm diameter pulley with metal ball bearing carried on a two part aluminium frame, designed primarily for clamping to the edge of a bench, table etc. With the pulley overhanging the edge and in a vertical plane. Overall length of frame (pulley bar) 110 mm. Maximum clamp opening 25 mm.
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US$6.30
Magnifier Glass with handle. 50mm Diameter Glass. Focal length 5.75". Lab quality magnifiers. Chrome plated metal frame with hard black handle.
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US$8.40
Single, open sided frame, with hooks at each end carrying three ball bearing plastic pulleys with diameters of 25, 38 and 50 mm respectively. The open side frame greatly facilitates stringing up as no 'threading' is involved.
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US$21.00
To study the relationship between mass & density. Set of 5 cylinders having same mass & dia 0.50" varying lengths.
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US$11.20
Used to suspend a thermometer over a hot plate or a specific heat specimen. Clamp holds items at a distance of 110mm from the support rod. The hook is adjustable and locks at any angle.
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