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RIPPLE TANK |
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THE RIPPLE
TANK CONSISTS OF A METAL TRAY WITH A TRANSPARENT BASE
AND DETACHABLE LEGS,OVERALL SIZE OF TRAY 380 X 380 X
45 MM DEEP .
A INVERSE ' U '
SHAPED BRACKET IS PROVIDED WHICH CAN BE ATTACHED TO
THE SIDES OF THE TANK AND USED TO CARRY THE WAVE GENERATING
SYSTEM . A SET OF 4 METAL REFLECTORS CONSISTING OF A
PAIR OF STRAIGHT REFLECTORS ( BARRIERS ) 150 X 25 MM
, A CURVED REFLECTOR OF 160 MM CHORD LENGTH X 25 MM
HIGH AND A SHORT STRAIGHT REFLECTOR 25 X 25 MM. A SET
OF 4 LOOSE GAUGE STRIPS ARE PROVIDED FOR REDUCTION OF
UNWANTED REFLECTIONS FROM THE SIDES OF THE TANK.THE
RIPPLES ARE PRODUCED BY A SMALL 1.5 VOLTS D.C. ELECTRIC
MOTOR OPERATES ON 1.5 V CELL MOUNTED AT THE CENTRE OF
A 200 MM WAVE GENERATOR BAR WITH A ROW OF HOLES TO MOUNT
THE SPHERICAL DIPPER. ILLUMINANT OPERATES ON 220 V -60
WATT.
ALSO AVAILABLE WITH IN-BUILT POWER SUPPLY.INPUT 220V
50HZ OUT PUT 1.5 VOLT TO 3 VOLT D.C. FOR RUNNING RIPPLER
MOTOR AND 12V ,21W FOR OPERATING ILLUMINANT .
Prod
ID: RT-4601
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RIPPLE
TANK |
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TO DEMONSTRATE
THE LAWS WHICH GOVERN ALL WAVE PHENOMENON USING RIPPLES
ON THE SURFACE OF WATER AS THE PROTOTYPES OF ALL TRANSVERSE
WAVES.RIPPLE TANK ILLUSTRATES IMPORTANT WAVE MOTIONS
LIKE RECTILINEAR AND CIRCULAR.IT CAN ALSO DEMONSTRATE
REFRACTION, DIFFRACTION AND INTERFERENCE OF WATER WAVES.TANK
IS 595 X 510 X 70 MM SUPPLIED COMPLETE WITH RIPPLER
ASSEMBLY,TWO STRAIGHT OBSTACLE 130 MM LONG ,ONE STRAIGHT
OBSTACLES 40 MM LONG CURVED REFLECTOR 200 MM RADIUS,
TRANSPARENT REFRACTION PLATE,WOODEN WAVE ROLLER,ONE
PACK OF RUBBER BANDS, WATER DROPPER , SPONGE, ILLUMINATOR,
HAND STROBOSCOPE AND SUITABLE POWER SUPPLY .WITH INSTRUCTION
MANUAL .
Prod
ID: RT-4602
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TUNING
FORK |
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BLUE
STEEL , PLAIN SHANK, SET OF 8 WITH FREQUENCY MARKED
.
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NOTE
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FREQUENCY,
HZ
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NOTE
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FREQUENCY,
HZ
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C
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256
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G
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384
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D
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288
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A
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426
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E
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320
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B
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480
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F
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341
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C
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512
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CAN
BE SUPPLIED INDIVIDUALLY ANY ONE FREQUENCY.
Prod
ID: TF-4603
+ FREQUENCY
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TUNING
FORK ON RESONANCE BOX |
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TO DEMONSTRATE
THE PRODUCTION OF BEAT TONES ,COMPRISES OF 4 TUNING
FORKS OF DIFFERENT FREQUENCIES MOUNTED ON A WOODEN RESONANCE
BOX WITH HAMMER.
Prod
ID : TFRB-4604
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STETHOSCOPE
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A HIGH
QUALITY, PROFESSIONAL PATTERN .
Prod
ID : S-4605
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BEATS
APPARATUS |
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PAIR
OF TUNING FORKS FREQUENCIES A 426.6 HZ, MOUNTED ON
INDIVIDUAL RESONANCE BOXES.ONE FORK FITTED WITH SLIDING
MASS ,WITH HAMMER.
Prod
ID : BA-4606
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BELL
IN VACUUM |
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AN
ELECTRIC BELL WORKING ON 2.4 VOLT D.C. SUSPENDED IN
BELL JAR WITH CONNECTIONS TO TERMINALS MOUNTED ON
RUBBER BUNG SEALING THE JAR. FOR USE ON PUMP PLATE
NOT LESS THAN 150 MM .
Prod
ID : BIV-4607
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WAVE
FORM , HELIX |
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FOR
EXPERIMENTS IN WAVE MOTION,PULSES ,REFLECTION AND
INTERFERENCE. STEEL WIRE CLOSE WOUNDED HELIX, 19 MM
DIA, CLOSED LENGTH 3 MM EXTENDING TO 9 MM APPROXIMATELY.
Prod
ID : WH-4608
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WAVE
FORM HELIX , SLINKY |
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FOR
DEMONSTRATING WAVE MOTION, HELICAL COIL OF FLAT SECTION
TEMPERED STEEL WIRE COIL DIA 78 MM,CLOSED LENGTH 120
MM FULL EXTENDED TO 5 METERS .
Prod
ID : WS-4609
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POWELL'S
WAVE MACHINE |
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FOR
DEMONSTRATING THE MOVEMENT OF PROGRESSIVE TRANSVERSE
WAVES, COMPRISES 22 SMALL BALLS FITTED ON WIRE RODS,WITH
ECCENTRIC MOTION ATTACHMENT AND DRIVING HANDLE.FITTED
ON BASE .
Prod
ID : PWM-4610
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WAVE
APPARATUS DEMONSTRATION MODEL |
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TO
DEMONSTRATE LONGITUDINAL AND TRANSVERSE MOTIONS,COMPRISES
OF A NUMBER OF ECCENTRIC DISCS SUPPORTING A SERIES
OF METAL RODS.ON REVOLVING THE HANDLE, TRANSVERSE
WAVES ARE OBTAINED. LONGITUDINAL WAVES ARE OBTAINED
WITH BENT RODS RUNNING IN A METAL GUIDE .
Prod
ID : WADM-4611
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SOUND
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RESONANCE
APPARATUS SIMPLE |
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IT
CONSISTS OF TWO ALUMINIUM TUBES SLIDING IN EACH OTHER
FOR MEASURING THE RESONANT LENGTH OF AN AIR COLUMN
SET UP BY A VIBRATING TUNING FORK. THE LENGTH OF THE
AIR COLUMN CAN BE VARIED FROM 30 TO 53 CM.
Prod
ID : RAS-4612
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RESONANCE
APPARATUS |
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IT
CONSISTS OF A GLASS TUBE 100 CM LONG , MOUNTED ON
A STAND WHICH IS FITTED WITH LEVELLING SCREWS. THE
LOWER END OF THE TUBE IS CONNECTED TO A HARD GLASS
RESERVOIR BY RUBBER TUBING PROVIDED WITH A PINCH COCK.
THE RESERVOIR SLIDES ON A METAL ROD AND CAN BE RAISED
OR LOWERED FOR ADJUSTING THE LENGTH OF COLOUM OF AIR.
IT IS USED TO MEASURE THE VELOCITY OF SOUND WAVES
IN AIR AT ROOM TEMPERATURE BY USING A TUNING FORK.
Prod
ID : RA-4613
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ORGAN
PIPE |
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IT
CONSISTS OF A WOODEN PIPE AND A GRADUATED SLIDING
ROD, 700 MM LONG WHEN FULLY EXTENDED. AS THE AIR COLUMN
IN THE PIPE VIBRATES , A MUSICAL SOUND IS PRODUCED.
ALSO AVAILABLE OTHER SIZES.
Prod
ID : OP-4614
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SAVART'S TOOTHED WHEEL |
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IT
CONSISTS OF A SET OF 4 TOOTHED WHEELS ( 75 MM DIA
) MOUNTED ON A SPINDLE AND A PACK OF SIX CARDS. RATIO
OF TEETH IS 4:5:6:8 . IT IS USED WITH WHIRLING TABLE.
AS A CARD IS HELD AGAINST THE TEETH OF A RATATING
DISC AND THE SPEED IS SLOW , A DIFFERENT SOUND IS
HEARD AS THE CARD PASSES EACH TOOTH. WHEN THE SPEED
IS INCREASED , THE TAPS ARE HEARD CLOSER AND GIVE
A MUSICAL NOTE.
Prod
ID : STW-4615
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WHIRLING
TABLE |
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IT
CAN BE USED IN VERTICAL OR HORIZONTAL POSITION . IT
IS FITTED WITH HAND WHEEL , BELT DRIVEN PULLEY AND
ADAPTER FOR MOUNTING NEWTON'S COLOUR DISC , WATT'S
GOVERNOR , SAVART'S TOOTHED WHEEL , SEEBECK'S PARATUSES
WHICH NEED TO BE ROTATED.
Prod
ID : WT-4616
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SEEBECK'S
SIREN DISC |
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IT
CONSISTS OF A DISC HAVING FOUR ROWS OF HOLES ARRANGED
IN A CIRCLE,NEAR THE CIRCUMFERENCE, ALL EQUALLY DISTANT
FROM ONE-ANOTHER AND A BLOW PIPE TO BPOW AIR ON THE
HOLES ( TO GET A CLEAR MUSICAL NOTE ). IT IS FITTED
WITH A SPINDLE TO ATTACH IT WITH THE WHIRLING TABLE.
Prod
ID : SSD-4617
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SIREN
WITH INDICATOR |
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IT
CONSISTS OF A HOLLOW WOODEN BOX WITH , 3 WIRES , SLIDING
BRIDGES , ADJUSTABLE PULLEY AND KEYS MOUNTED ON LEGS.IT
IS USED TO STUDY VARIOUS NOTES OD SOUND PRODUCED BY
STRINGED INSTRUMENTS.
Prod
ID : SWI-4618
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MICROPHONE |
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MICROPHONE
:
GENERAL PURPOSE PIEZZO-ELECTRIC CRYSTAL MICROPHONE,FREQUENCY
RESPONSE 60 TO 10000 Hz. COMPLETE WITH SCREENED LEAD
,TERMINALS AND JACK PLUG.
Prod
ID : PSM-46181
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LOUD
SPEAKER |
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4 OHM
MOVING COIL SPEAKER ,MOUNTED IN FRAME FOR VERTICAL
OR HORIZONTAL POSITION , WITH TWO 4 MM SOCKETS.
Prod
ID : PSLS-46182
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