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Product -> Sound and Wave

Starlac offer wide range of Physics Instruments Sound and Waves Laboratory Instruments for School, Colleges. Starlac wide range of Physics Equipment includes - Tuning Fork Sets, Resonance Box, Organ Pipe, Stethoscope, Frequency Apparatus, Resonance Apparatus, Waves Demonstration Apparatus, Ripple Tank, Power Supply, Stroboscope, Sonometer.

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Organ Pipe
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Organ Pipe   (SW-2516)

Made of varnished wood with glass front and membrane suspended on cord for loading with sand to show positions of nodes and antinodes, overall length 760 mm.


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Organ Pipe
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Organ Pipe   (SW-2517)

Square section with tapered mouthpiece, made of polished wood, with graduated sliding piston, square in section having a knob at the end for easy handling. The slider is marked with a diatonic scale. It is used to investigate phenomenon of beats in conjunction with a second pipe of same type. Approx. overall length when extended 840mm.


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Tuning Fork Electrically Operated
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Tuning Fork Electrically Operated   (SW-2518)

Mounted on sturdy streamlined base with provision for horizontal or vertical use. Fork is manufactured from selected steel. Prong is 10 x 25 x 300 mm. Accurate frequency adjustment, vibrations rate 60 per second. Electromagnet can work on 6 Volts. The amplitude of vibration can vary by sliding the electromagnet inside the prongs.


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Frequency Apparatus   (SW-2519)

For comparison of frequencies of two tuning forks by falling plate method. Consists of a wooden stand, a glass plate with an arrangement for holding it and for clamping the forks side by side, complete with two tuning forks.


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Resonance Apparatus Simple Form
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Resonance Apparatus Simple Form   (SW-2520)

It comprises two aluminium tubes telescoping into each other, so that the column of air within the tubes may be altered from 30 cms to 53 cms, outer tube fits into a wooden base.


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Resonance Apparatus
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Resonance Apparatus   (SW-2521)

Same as above but with tubes of brass.


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Resonance Tubes
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Resonance Tubes   (SW-2522)

Comprising two plastic tubes one 305 x 32 mm diameter, the other 305 x 25 mm diameter. The small tube slides within the other in foam plastic collars, allowing the air column length to be varied from 300 to 530 mm.

(SW-2522/1)
Same as above, but made from glass tubes


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Wave Form Helix, Slinky
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Wave Form Helix, Slinky   (SW-2523)

For demonstration of wave motion, helical coil of flat section tempered steel, coil dia 75 mm closed length 11 cms fully extended 3 meters.

(SW-2523/1)
Same as above but coil dia 50mm, length 7.5cms


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Wave Form Helix
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Wave Form Helix   (SW-2524)

For demonstration of wave motion, pulses, reflection and interference, steel wire close wound helix, 19 mm diameter closed length 3 mtrs. extending to approximately 9 mtrs.


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Wave Machine, Powell's
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Wave Machine, Powell's   (SW-2525)

This is to demonstrate the movement of progressive transverse waves. It comprises 22 small balls on wire rods with eccentric motion attachment with driving handle and fitted on polished wooden base.


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Waves Demonstration Apparatus
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Waves Demonstration Apparatus   (SW-2526)

For demonstrating both longitudinal and transverse motions, comprising a number of eccentric discs supporting a series of metal rods. Transverse waves are obtained on revolving the handle, longitudinal waves obtained with bent rods running in a metal guide and fitted on polished wooden base.

a) 18 pulleys
b) 24 pulleys


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Whirling Table (Centrifugal Engine)
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Whirling Table (Centrifugal Engine)   (SW-2527)

Overall height 43 cm, for use in vertical and horizontal position, fitted with hand wheel and belt drive pulley. Suitable for use with Savart's wheel. Siren disc or Colour discs or centrifugal governor but without it shown in the picture.


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Siren Disc
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Siren Disc   (SW-2528)

Dia 19 cms having four concentric rings of 36,45, 54, and 72 holes respectively fitted with slight taper at end of central spindle. Supplied with glass air tube, used with whirling table.


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Centrifugal Governor
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Centrifugal Governor   (SW-2529)

This apparatus in conjunction with whirling table is used to demonstrate the effect of centrifugal force.


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Flattening of Earth   (SW-2530)

Two circular spring steel strips mounted on rod and used in conjunction with whirling table to explain the flattening of earth at the poles.


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