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This device is used to show that water pressure will transmit in all directions. Consists of a hollow sphere connected to a hand pump. The sphere has an outer diameter of 3"and a capacity of 250ml. Ten projected nozzles are evenly distributed on the sphere. 14x4x4".

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This heavy duty hand pump is a combination of a pressure pump and a vacuum pump, specifically designed for physics labs to evacuate small amounts of air. Made of seamless metal pipe with a hardwood handle. 14x4x1.25", 13oz.

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The Spring Scales are Calibrated in Grams and Newton's, with Transparent Bodies and Color Coded.
G58 250g - 2.5N Blue
G59 500g - 5N Green
G60 1000g - 10N Grey
G61 2000g - 20N Red
G62 3000g - 30N White
G63 5000g - 50N Yellow

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These large, 12"x 3.5", demonstration spring scales are excellent for classroom use. Easily attaches to a support stand and right angle clamp (not included).

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All pulley's are sturdily constructed with an aluminum housing and plastic wheel.
1606-1 Plastic Pulley, Single
1606-2 Plastic Pulley, Double
1606-3 Plastic Pulley, Triple
1606-4 Plastic Pulley, Quadruple
1606-5 Plastic Pulley, Double Tandem
1606-6 Plastic Pulley, Triple Tandem

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All pulley's are sturdily constructed with an aluminum materials for many purpose. Wheel diameter 50mm.
1606-1A Aluminum Pulley, Single
1606-2A Aluminum Pulley, Double
1606-3A Aluminum Pulley, Triple
1606-4A Aluminum Pulley, Quadruple
1606-5A Aluminum Pulley, Double Tandem
1606-6A Aluminum Pulley, Triple Tandem

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Classic design demonstrates the operating principle of cup anemometers; cup rotation reflects changes in air velocity. Since this extra sensitive model responds to wind velocities as low as 2 mph, a standard electric fan may be used as the wind source.

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Use this miniature air table with any suitable air source to demonstrate the random movement of molecules. Made of clear acrylic this unit can be set on an overhead projector and projected so everyone in the room can observe the movement. The molecules are colored disks with mounted magnets in each. These magnets cause each disk to repel it's neighbor and thus create an almost continuous motion.

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The apparatus is used to demonstrate the transformation of potential energy into kinetic energy in a fun and interesting way. Challenge your students to calculate the minimum height that the steel ball can be rolled down the track and still have it complete the loop without breaking contact with the track. The unit measures 420mm x 100mm x 430mm.

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This is a cast iron spring driven projectile apparatus. It demonstrates that a horizontally projected ball and vertically dropped ball land at the same time. The spring device can propel ball to 48" from its starting point. A detachable rod for clamping to a table or stand.