Eisco

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US$12.59
This is a Wave Form Helix that can be: (1) used as a scientific instrument to measure a wave function (it actually has a higher spring constant than the classic toy); or (2) unleashed down a wicked set of stairs.
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US$39.20
EISCO wave form helix is used to study wave behavior. The helix is a metal slinky spring that stretches for demonstrating wave forms, and can be used on stairs with a tall step height for further experimentation. The helix measures 20.0cm (H) when compressed, and has a wooden stand for display and storage.
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US$70.00
This advanced apparatus demonstrates both longitudinal and transverse wave motions. Consisting of a number of eccentric discs supporting a series of metal rods revolving on a handle, transverse waves are obtained. Longitudinal waves are obtained from the bent rods.
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US$97.93
This advanced apparatus demonstrates both longitudinal and transverse wave motions. Consisting of a number of eccentric discs supporting a series of metal rods revolving on a handle, transverse waves are obtained. Longitudinal waves are obtained from the bent rods.
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US$38.50
Best quality nickel-plated, plain shanks. Frequency : C (256), D (288), E (320), F (341), G (384), A (426), B (480), C (512).Set of 8 Steel supplied in plastic case. 6.5" x 4.5" Plastic case.
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US$38.50
Comprises two nickel plated forks A (440 Hz) mounted on individual boxes. One fork is provided with adjustable mass by means of which frequency may be shifted from the nominal 440 Hz .When both forks are sounded a clearly audible 'beat' is produced, its rate depending upon the difference in frequency between the forks.
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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$279.93
The Ripple Tank is a dual purpose vesatile tank allowing all types of waves and wave motion. Supplied in foam packing and consists of the following components: Ripple Tank 40cm x 40cm. Push fit legs. Rippler motor with eccentric cam, mounted on PVC bar. Three supports for illuminator and the motor unit. Motor hanging clamps. Springs for motor support. Lamp Unit Halogen 6 volts. Hand Stroboscope. Concave Perspex Plate. Convex Perspex Plate. Rectangular perspex Plate. Curved Reflector. Barrier Large. Barrier small. Plastic roller Bar.
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US$482.65
This advanced ripple tank from EISCO comes complete with all accessories needed for wave investigations. Tank is intensely illuminated by a strong light source, and synchronized with the wave generator to help students observe the wave patterns on a workgroup table. The frame is made of reinforced plastic and with foam beaches (to negate reflections). Set includes: (1) Vibration Generator (1) Wave monitor unit (1) Projection screen (1) Wave dippers (1) Lever arm and support (1) Ripple tank (1) Projection mirror (1) Set of footers with adjustment screws (1) Set of lucite/perspex objects.
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US$4.20
Economy chrome steel horseshoe magnet with keepers.
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US$4.20
100 x 12 x 5 mm (approximate size). Chrome steel magnets. Perform a variety of activities and experiments involving magnetism. Low magnetic stregnth for careful experiments.
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US$4.90
150x12x5mm (approximate size). Chrome steel magnets. Perform a variety of activities and experiments involving magnetism. Low magnetic stregnth for careful experiments.
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US$7.00
1.5" Alnico Bar Magents (Pair) with spacer and keepers. Supplied in cardboard boxes 38 x 11 x 6 mm.
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US$7.00
An Alnico Horshoe Magnet in a cardboard box.
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US$5.95
Candy bar style breakable magnets. 2" in length.
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