Conductivity Kit
" Sales Code PHEA101"
Comprising Rods Of Different Material And Different Thickness To Enable Students To Test Different Thermal Conductivities.
Kit Comprises : Eight Rods Of Copper , Brass , Aluminium , Iron & Glass 250 X 3 Mm (L X Dia ) And Eight Rods Of Copper , Brass And Iron 250 X 1.5 Mm (L X Dia ) .

Compound Cylinder
" Sales Code PHEA102"

Brass Tube Flush-Jointed With Polished Wood Cylinder.

Conductivity Apparatus
" Sales Code PHEA103"

Comprises Four Strips, 80 X 20 X 1.5 Mm ( Of Copper , Brass , Aluminium & Iron ) Of Different Thermal Conductivities , Riveted To An Ring ,With Cups For Holding Wax On Outer Ends .

Edser ,Conductivity Apparatus
" Sales Code PHEA104"

To Demonstrate Different Thermal Conductivites .Consists Of 5 Metal Rods, Copper , Bronze , Brass , Mild Steel And Stainless Steel Mounted On Aluminium Can With Ring For Support By Retort Stand .

Thermal Conductivity Apparatus , Lees
" Sales Code PHEA105"

For Detetmining The Conductivity Of Badly Conducting Material In Disc Form By Electric Heating.
Consists Of 3 Copper Disc 42 X 12 Mm ( Dia X Thickness ) Each Drilled To Support A Thermometer ,Clamped In A Frame Approx 100 X 75 X 100 Mm With Electric Heating Element For Use On 6 Volts D.C. Without Thermometer .

Conductivity Apparatus , Lee's And Charlton
" Sales Code PHEA106"

For Determining The Thermal Conductivity Of Thin Layers Of Material. Comprises Of Cylinderical Slab Of Brass 11.5 Cm In Diameter And 12 Mm Thick.On One Side Rests A 5 Cm Deep Hollow Cylinder Of The Same Diameter With Inlet And Outlet Tubes For Steam.Both The Cylinders Have Radial Holes For Insertion Of Thermometers.The Material Under Test Is Placed Between The Two Cylinders.The Apparatus Is Suspended By Strings Attached To The Lower Cylinder. Complete With Thermometer.

Convection Tube
" Sales Code PHEA107"

To Show Convection In A Liquid , Glass Tube Bent Into Rectangle Approx 380 X 300 Mm Fitted With Filling Funnel .

Ingenhous'z Apparatus
" Sales Code PHEA108"

It Is Used To Compare The Thermal Conductivities Of Good Conductors. It Consists Of 5 Rods ( Mounted In Corks ) Of Different Materials Having Equal Lengths.These Rods Are Coated In Paraffin Wax When Used And The Rate Of Melting Is Compared.

Ventilation Apparatus
" Sales Code PHEA109"

Comprises Metal Box 220 X 100 X 165 Mm ( W X D X H ) With Sliding Glass Front ,Two Glass Chimneys Standing Over Tubulures At Top Of Box,Candle Holder Fixed To The Base Of The Box Beneath The Left Chimney .

Parabolic Reflector
" Sales Code PHEA110"

For Reflecting And Focusing Radiant Heat.Comprising Two 250 Mm Dia Highly Polished Metal Reflectors Mounted With A Screw Clamp On A Rod With Tripod Base.

Leslie Cube
" Sales Code PHEA111"

It Consists Of Metal Cube With 125 Mm Side Having The Four Side Dull Black ,Bright Black , Bright Tin And White Respectively.

Ether Thermoscope
" Sales Code PHEA112"
For Detecting Thermal Radiation , With Bulbs Approx 30 Mm Dia ,One Bulb Painted Matt Black ,Partially Evacuated.

Crooke's Radiometer
" Sales Code PHEA113"

It Consists Of One Set Of Vanes Having One Side Bright And The Other Black Which Rotate When Placed In Sun Light.As The Air In Contact With Dark Side Becomes Hot .

Thermopile
" Sales Code PHEA114"

It Consists Of A Group Of Thermocouples Joined Together In Series.The Couples Are Enclosed In A Metallic Frame.It Is Supplied Complete With Metallic Cone And Mounted On An Adjustable Stand . Leslie's Cube Can Be Used With These Thermopiles.

Charles Law Apparatus
" Sales Code PHEA115"

Glass U-Tube 15 Mm Dia ,With One Plain Limb 220 Mm Long And One Graduated Limb Length 120 Mm .Limb Graduated 25 To 35 X 0.2 Ml Terminating In A Bulb With Third Limb 185 X 6 Mm (L X Bore ) Joined At Right Angles To The Plane Of The Other Two. Short Length Of Rubber Tube With Two Clips On Short Length Of Glass Tubing Mounted In The End Of Wide Bore Tube With Rubber Cork.With Tall Form Beaker

Expansion Of Liquids Apparatus
" Sales Code PHEA116"

To Show The Difference In Expansions Of Different Liquids Over The Same Temperature Comprising Five Bulb Tubes With Plastic Scales Mounted In A Metal Trough.The Frames Has Clamps To Secure It To The Trough And Two Cross Members ,The Lower Cross Member Having Holes And Upper Tubules To Locate The Bulb Tubes In Bungs .

Hope's Apparatus
" Sales Code PHEA117"

It Consists Of A Cylindrical Vessel 250 X 50 Mm ( H X Dia ) For Water Surrounded With A Trough 60 X 100 Mm (H X Dia ) For Cooling Media.This Apparatus Is Used For Determining The Maximum Denisity Of Water. Thermometer Of 0 To 100° X 0.5°.Made Of Stout Tin Sheet Painted With Water Resistant Paint .

Bar And Gauge
" Sales Code PHEA118"

It Is Used To Demonstrate Thermal Expansion By A G0-No-Go Arrangement.The Bar Is 110 Mm Long And 12 Mm Dia With A Suitable Gauge.

Ring And Ball
" Sales Code PHEA119"

Brass Ring On Rod With Wooden Handle And 25 Mm Dia Ball With Chain.

Bar Breaking Apparatus
" Sales Code PHEA120"

To Show Force Of Contraction Or Expansion . A Heavy Cast Iron Base With 4 Uprights,On One End Of Which Is Fitted With A Hand Nut, The Other Drilled With Holes To Carry A Cast Iron Rod Of 75 X 6 Mm ,Bearing Against Narrow Flats.With 12 Cast Iron Breaking Rods.

Expansion Apparatus Linear
" Sales Code PHEA121"
Two Cast Iron Uprights,Height Approx 180 Mm Linked By Two Nickel Plated Rods,Supporting On Expansion Bar,Length 380 Mm.Fixed To One Upright And Resting On A Friction Pointer Placed At The Other With Scale Reading 0° To 90° With One Each Aluminium , Iron And Brass Expansion Bars .

Expansion Apparatus Linear , Micrometer Type
" Sales Code PHEA122"

The Elongation Of The Rod Is Measured By A Micrometer Screw Reading To 0.01 Mm .Bell Buzzer Or Galvano Meter Can Be Connected To Determine The Exact Point Of Contact Of Screw It Is Supplied Complete With Thermometer ( -10 To 110° C ) And One Each Aluminium , Brass , Copper And Steel Rod.Any One Of Which Can Be Used.

Compound Strip
" Sales Code PHEA123"
To Demonstrate Curvature Induced By Unequal Expansion,One Each Brass And Iron Plates 200 X 25 Mm ( L X W ) ,Riveted Together From End To End Fitted With A Wooden Handle .

Bursting Bottle
" Sales Code PHEA124"

To Demonstrate The Expansion Of Water On Freezing .Bottle Of Cast Iron 100 X 25 Mm Approximately,Which Can Be Sealed By Means Of A Squar-Shanked Iron Stopper Screwed.

Copper Calorimeter
" Sales Code PHEA125"

Spun In One Piece Of Polished Copper Used For Making Quantitative Thermal Measurements.
Dimensions : 75 X 50 Mm (H X Dia )
............. ... : 100 X 75 Mm (H X Dia ) .


Calorimeter , Schuster And Lee's
" Sales Code PHEA126"

It Consists Of An Inner Copper Calorimeter ( 75 X 50 Mm ) Resting In Outer Aluminium Calorimeter With Thermometer Holder And Stirrer.

Joule's Calorimeter
" Sales Code PHEA127"

To Demonstrate Specific Heat Of Liquid And For Verification Of Joule's Law. Comprises Of A Polished Aluminium Calorimeter ( 100 X 75 Mm ) Placed In An Outer Wooden Case.It Is Fitted With A Bakelite Top Having Hole For Thermometer.Two Terminals Connected To A Heating Coil (For Current Upto 3 Amps ) Are Fitted. Supplied Complete With Stirrer And Thermometer .

Calorimeter Blocks
" Sales Code PHEA128"

For Determination Of The Specific Heat Capacity Of Different Metals . Comprises Of Cylindrical Metal Blocks Of Aluminium , Brass , Copper & Steel Of Mass 1 Kg Each. Accuracy +/- 2% Each Block Drilled With Two Holes A Large Central Hole 12.5 Mm Dia For Immersion Heater And A Smaller Hole 7.5 Mm Dia For A Thermometer.

Imersion Heater
" Sales Code PHEA129"

Immersion Heater For Calorimeter

Aluminium Container
" Sales Code PHEA130"
For Experiments On Expansion Of Liquids , Pressure Change Of Gases On Heating And Measuring Heat Generation.Light Weight With Metal Handles 90 X 150 Mm (Depth X Dia ) .

Rivets , Metal
" Sales Code PHEA131"
For Specific Heat Capacity Experiments.Lead Is Supplied As Pellets & Metals As Rivets.

Steam Generator
" Sales Code PHEA133"

It Consists Of A Cylindrical Copper Vessel And Conical Top Fitted With Finger Loop Handle With Inlet And Out Let Tubes And A Water Level Indicator .

Steam Generator , Jug Kettle
" Sales Code PHEA134"
Plastic Body , Electrically Heated,Dry Boil Protected ,Auto Switch Off When Water Is Boiled, Indicator Lamp,Caliberated Water Level Indicator,Detachable Power Cord. Supply 230 V , 50hz .

Electric Kettle
" Sales Code PHEA135"

Plated Brass Body With Spout ,Lid And Handle. With Safety Cut-Off , Complete With 1 Meter Of 3-Core Mains Cable. Avalable In Various Capacities.

Steam Heater ( Boiler )
" Sales Code PHEA136"
Copper Cylindrical Vessel With Steam Vent And A Vertical Tube Terminating In Chute Passing Through Side Of A Vessel . A Brass Tube Sliding Fit In The Central Tube ,With Lower Angle Cut To Seal The Chute, Enables Heated Material To Be Transferred Without Loss Of Heat.

Constant Level Tank
" Sales Code PHEA137"

Copper Tank Painted And Fitted With Riffled Inlet , Outlet And Over Flow Tube.

Solar Educational Kit
" Sales Code PHEA138"
To Study The Operation Of The Solar Photovoltaic System ,Its Application And The Electrical Characteristics Of A Solar Module .It Has Two Modes Of Operation .
Module Characteristic Mode : Where It Can Measure And Plot Various Voltage And Current Points Of The Solar Module These Points When Plotted And Joined By Means Of A Smooth Curve Give The Electrical Characteristies Of The Solar Module.
Solar Photo Voltaic System Mode : Which Gives An Insight Into The Application Of Photo Voltaics And How Solar Energy Can Be Stored Using A Battery Which Can Be Used To Power Loads At Any Other Time. Portable And Light Weight , Voltmeter & Ammeter ,Simple Operation With Nickel Cadmium Battery.Size:-322 X 244 X 55 Mm (L X B X D ),Weight 2.25 Kg.

Malvern Energy Conversion Kit
" Sales Code PHEA139"

Large Motor / Generator Unit : For Use As A Driving Unit Or Dynamo . Comprises A, 2 To 6v D.C. Motor Provided With A 15 Mm Dia V Pulley On Laminated Wooden Base 115 X 105 Mm.
Small Motor / Generator Unit : For Use With Large Motor / Generator Unit In Comparing Power Input And Output By Driving Each In Turn With The Other And Metering The Voltage And Currents.Uses A Smaller 1.5 To 4.5 V Motor On Laminated Wooden Base 115 X 105 Mm.
Switch Unit :A Double -Pole Double Throw Knife,Switch For Connecting The Motor / Generator.The Socket Terminals Are Labelled Battery , Motor And Lamp Respectively ,On Laminated Base 155 X 105 Mm.
Lamp Unit , Triple : Three Lamp Holders Are Connected In Parallel Supplied Complete With Lamps 1.25v ,0.25 Amp. Om Laminated Base 155 X 105 Mm.
Line Shaft Unit :Comprising A 6 Mm Steel Shaft Mounted In Brackets With Nylon Bearings.One End Carries An Aluminium V Pulley 56 Mm Dia And The Other Over Hanging End Is Fitted With A Cord An Choring Collar,On Laminated Wooden Base 155 X 105 Mm.
Spring Unit : Comprising A Steel Carries A Clock Spring With A Free Wheel Device And Winding Rachet Also An Aluminium V Pulley 56 Mm Dia ,One End Of Shaft Over Hangs The Base For Use As A Line Shaft When Winding Up A Weight On Laminated Wooden Base 155 X 105 Mm.
Hand Wheel Driving Unit :The Driving And Output Pulleys Are Both 75 Mm Dia,And The Intermediate Pulley Is 20 Mm Dia Giving A Step -Up Ratio Of 3.75 On Laminated Wooden Base 155 X 105 Mm.
Turbine / Pump Unit :Comprising A Rotar 40 Mm Dia Has Eight Bucket Blades And Is Housed In A Block Turning Chamber 50 X 50 X 25 Mm ,With Clear Perspex Front. Two Inlet Tubules ( For Turbine And Pump Operation Respectively ) And One Let Tubule Are Provided And The Shaft Carries A 15 Mm Dia Pulley On Laminated Wooden Base 155 X 105 Mm.
Head Of Water Unit :Comprises Of Two Basins 100 Mm Dia And Shaped Glass Tubes .The Upper Platform Has A 38 Mm Dia Hole To Allow Use As A Simple Recirculation System With A Single Reservoir ,On Laminated Wooden Base 115 X 105 Mm.
Storage Battery Unit : To Demonstrate Principle Of Lead / Acid Accumulator .Glass Jar 250 Ml With Plastic Screw Cap Carring 4 Mm Socket Terminals Fitted To Two Lead Plate.

Steam Engine Unit
" Sales Code PHEA140"

Working Model Of Steam Engine Consists Of A Safety Valve , Inspection Window , Whistle And Throttle Valve ,Can Run On Fuel Tablets Or Can Be Electricaly Operated.

Steam Engine Locomotive Design , Model
" Sales Code PHEA141"

Shows Actual Working Sectional Model Showing Cross Section Of The Piston And Slide Valve Method Of Turning Steam On & Off.All Parts Such As Crank Shaft , Valve , Control Drive Wheel Etc Are Clearly Seen.

Engine Models , Sectional
" Sales Code PHEA142"
It Illustrate The Theory Of Operation Of Internal Combustion Engines.All Parts In Aluminium Alloy And Metal.Ignition Is Shown By Means Of A Miniature Bulb , With Crank Handle For Manual Operation.

Avalable Models : ..........Strokes ...............Type / Engine
........................................4 Stroke...................Petrol
........................................2 Stroke...................Petrol
........................................



Avalable Models : ..........Strokes ...............Type / Engine
........................................4 Stroke...................Diesel
........................................2 Stroke...................Diesel

Wankel Rotary Engine
" Sales Code PHEA143"

It Is Used To Demonstrate The Relation Of Operation Of Wankel Engine And Its Circulating Piston . It Consists Of Cylinder,Water Cooling Jacket,Piston And Inlet And Exhaust Ducts.The Operation Is Shown By Turning The Handle.All Internal Parts Are Clearly Visible.
Size: 360 X 230 X 190 Mm.

Differential Mechanism
" Sales Code PHEA144"

This Mechanism Shows That The Rpm Of The Inner And Outer Wheels Differs From Each Other When The Driving Shaft Speed Is Constant .
Size: 600 X 300 X 310 Mm.

Steering Mechanism
" Sales Code PHEA145"

It Demonstrates The Relation Between Various Linkages And The Transfer Of Motion To Wheels In The Steering Mechanism.
Size: 400 X 510 X 495 Mm.

Single Drive Plate Clutch Mechanism
" Sales Code PHEA146"

It Demonstrate The Engagement Of The Clutch Plates By Pressure Springs And The Radial Levers Operated By The Foot Pedal Respectively. It Can Be Attached With Gear Box.
Size: 240 X 230 X 180 Mm.

Gear Box
" Sales Code PHEA147"

Three Speed And Reverse It Consists Of A Hand Lever And A Gears Housed In Casting And Demonstrates The Change Of Speed By Shifting Gears.
Size: 530 X 300 X 200 Mm .

Water Turbine With Dynamo
" Sales Code PHEA148"

To Show Conversion Of Mechanical Energy Into Electrical Energy . Turbine With Transparent Cover ,Inlet And Out Let Tubes,Directly Connected To A Dynamo. Fitted On A Base.