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 .


Ripple Tank
" Sales Code PWAV102"

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 .


Tuning Fork
" Sales Code PWAV103"

Blue Steel , Plain Shank, Set Of 8 With Frequency Marked .

Note Frequency, Hz Note Frequency, Hz
C 256 G 384
D 288 A 426
E 320 B 480
F 341 C 512

Tuning Fork On Resonance Box

" Sales Code PWAV104"
To Demonstrate The Production Of Beat Tones ,Comprises Of 4 Tuning Forks Of Different Frequencies Mounted On A Wooden Resonance Box With Hammer.

Stethoscope
" Sales Code PWAV105"

A High Quality, Professional Pattern .

Beats Apparatus
" Sales Code PWAV106"

Pair Of Tuning Forks Frequencies A 426.6 Hz, Mounted On Individual Resonance Boxes.One Fork Fitted With Sliding Mass ,With Hammer.

Bell In Vacuum
" Sales Code PWAV107"

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 .

Wave Form , Helix
" Sales Code PWAV108"
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.

Wave Form Helix , Slinky
" Sales Code PWAV109"
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 .

Powell's Wave Machine
" Sales Code PWAV110"

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 .

Wave Apparatus Demonstration Model
" Sales Code PWAV111"

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 .

Sound

Resonance Apparatus Simple
" Sales Code PSOU101"
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.

Resonance Apparatus
" Sales Code PSOU102"
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.

Organ Pipe
" Sales Code PSOU103"

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.

Savart's Toothed Wheel
" Sales Code PSOU104"

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.

Whirling Table
" Sales Code PSOU105"

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.

Seebeck's Siren Disc
" Sales Code PSOU106"

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.

Siren With Indicator
" Sales Code PSOU107"

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.


Microphone :
" Sales Code PSOU108"

General Purpose Piezzo-Electric Crystal Microphone,Frequency Response 60 To 10000 Hz. Complete With Screened Lead ,Terminals And Jack Plug.

Loud Speaker
" Sales Code PSOU109"
4 Ohm Moving Coil Speaker ,Mounted In Frame For Vertical Or Horizontal Position , With Two 4 Mm Sockets.