Eisco

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US$6.82
This acrylic body spring scale with large has easily read flat scales and is zero adjustable.
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US$9.04
This acrylic body spring scale with large has easily read flat scales and is zero adjustable.
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US$11.81
These high resolution, aluminum spring balances are classroom quality and high resolution.
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US$11.81
These high resolution, aluminum spring balances are classroom quality and high resolution.
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US$44.54
The set consists of six 20mm cubes of the following metals: brass, lead, zinc, copper, aluminum, and iron. Perfect for investigating density.
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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$22.68
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$26.25
Comprising a 50 mm diameter nylon ball bearing pulley, 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$22.40
Clamp has a 45mm plastic pulley with bracket for bench mounting up to 25mm thickness. Can be used with a force table as well. 
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US$41.36
This complete apparatus has a 15cm adjustable scale. The adjustable scale helps to prevent parallax error. Scale is marked in millimeters and mounted on sturdy 30cm support rod and a wooden base. A hook supporting a coiled spring with a mass hanger and indicator is attached to rod. 
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US$20.68
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.
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US$144.54
This model demonstrates the conversion of mechanical energy into electrical energy, specifically a water turbine. Turbine is fitted with a transparent cover to show inner workings with inlet and outlet tubes. This is directly connected to a dynamo to generate electricity.
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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$13.58
This convex mirror is silver backed with a protective coating.
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US$17.95
This set is of highly polished acrylic equilateral prisms -- 25mm sides and lengths of 25, 50 and 100mm.
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US$9.69
3.5" Semi Circular Block - Glass, dia 90 x 16mm thickness. Clear glass, all faces are polished. Pitcure shows 2 blocks only one 3.5" semi circular glass block is represented in listing.
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US$40.01
Burner has a heavy casted base giving stability to the burner. Nickel plated brass burner tube with rotatable air regulator and cylindrical riffled connector mounted on casted base. Burner Tube 12.5mm , base dia 75mm overall height 120mm (4.72") For use with LPG/Butane.
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US$26.04

This neoprene hose connects your bunsen, tirrill or any other type of burner to a fuel source. Connect your burner to a fuel source. 3 feet (.9m) in length.

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US$2.35
Standard nylon test tube brush. Fan shaped end. Dimensions: 10 x 8 x 1 inches ; 3 ounces.
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US$27.66
The buret is made of acrylic for durability, and has a polytetrafluoroethylene (PTFE) plastic plunger stopcock for resistance to chemicals, moisture, and high temperatures. Acrylic is lightweight, and resists shattering, impact, and most non-abrasive cleaners including ammonia and strong detergents.
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US$29.89
High quality, borosilicate burette with PTFE stopcock. 50mL capacity with 0.10mL graduations. Class A tolerence (+/- 0.05mL).
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US$25.02
This burette clamp has high strength alloy jaws suitable for all burettes up to 100mL.
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US$11.13
These high quality graduated cylinders are perfect for a student in a lab setting. Class A borsilicate glass.
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US$11.29
Fine packed iron fillings for magnetic filled mappings in plastic jar - useful for experiments with magnetism.
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US$16.45
Visual Scientifics replacement car is for use with the PTIPCR incline plane and car, and is versatile for investigating static and kinetic friction, dynamic equilibrium, unbalanced forces, and work-energy theory. The car can be used with the plane to predict velocity and quantify friction for further study.
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US$32.13
Loop kit is used to demonstrate kinetic and potential energy, and calculates the normal force on a roller coaster rider. The kit includes two balls and a ramp with a loop for hands-on experiments, and has steel construction for durability. 
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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$36.33
Pendulum is used to investigate the oscillation period, and has a frictionless mount and an adjustable string for measuring varying changes. The kit includes a pendulum back board, mounting rod, string, and pendulum bob and stopper for hands-on experiments, and has steel construction for durability.
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US$4.19
Visual Scientifics small replacement ball is used in laboratory experiments, and is versatile for use with the PT2SCO collisions in 2D, PTLOP loop kit, and PTPROJ launcher. The ball can be used as a projectile, or in free fall or ramp experiments.
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US$18.13
This is used to clock classroom or laboratory activities, and is operated with three keys for ease of use: Lap, Stop/Start, and On/Reset. The timer’s display reads in hours, minutes, seconds, and hundredths of seconds for precise measurement, and its Lap key can be used for tracking elapsed time while the timer continues to run.
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US$45.40
L-section launcher with holes for locating two 19 mm diameter steel balls which act as projectiles. Launcher is released by push button and projects one ball forward while allowing the other to fall freely. Demonstrate the effect of gravity on falling bodies. 2 metal spheres included.
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US$31.70
These are straight form Spectrum Tubes with side electrodes and a 50mm long fine capillary tube in the middle with total length of 26 cm. Reveal the spectra of various gases when discharges pass through them. Provide a visual representation of the energy associated with electron transitions within excited atoms and molecules.
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