|
|
|
 |
CONDUCTIVITY KIT |
|
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 ) .
Prod
ID: CK-5001
+ SIZES
|
|
|
|
|
COMPOUND
CYLINDER |
|
BRASS TUBE
FLUSH-JOINTED WITH POLISHED WOOD CYLINDER.
Prod
ID: CC-5002
|
|
|
|
|
CONDUCTIVITY
APPARATUS |
|
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 .
Prod
ID: CA-5003
|
|
|
|
|
EDSER
,CONDUCTIVITY APPARATUS |
|
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 .
Prod
ID : EC-5004
|
|
|
|
THERMAL
CONDUCTIVITY APPARATUS , LEES |
|
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
.
Prod
ID : TL-5005
|
|
|
|
CONDUCTIVITY
APPARATUS , LEE'S AND CHARLTON |
|
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.
Prod
ID : CL-5006
|
|
|
|
|
CONVECTION
TUBE |
|
TO
SHOW CONVECTION IN A LIQUID , GLASS TUBE BENT INTO
RECTANGLE APPROX 380 X 300 MM FITTED WITH FILLING
FUNNEL .
Prod
ID : CT-5007
|
|
|
|
INGENHOUS'Z
APPARATUS |
|
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.
Prod
ID : IA-5008
|
|
|
|
VENTILATION
APPARATUS |
|
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 .
Prod
ID : VA-5009
|
|
|
|
PARABOLIC
REFLECTOR |
|
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.
Prod
ID : PR-5010
|
|
|
|
LESLIE
CUBE |
|
IT
CONSISTS OF METAL CUBE WITH 125 MM SIDE HAVING THE
FOUR SIDE DULL BLACK ,BRIGHT BLACK , BRIGHT TIN AND
WHITE RESPECTIVELY.
Prod
ID : LC-5011
|
|
|
|
ETHER
THERMOSCOPE |
|
FOR
DETECTING THERMAL RADIATION , WITH BULBS APPROX 30
MM DIA ,ONE BULB PAINTED MATT BLACK ,PARTIALLY EVACUATED.
Prod
ID : ET-5012
|
|
|
|
CROOKE'S
RADIOMETER |
|
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 .
Prod
ID : CR-5013
|
|
|
|
THERMOPILE
|
|
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.
Prod
ID : T-5014
|
|
|
|
CHARLES
LAW APPARATUS |
|
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 AND STIRRER .
Prod
ID : CLA-5015
|
|
|
|
EXPANSION
OF LIQUIDS APPARATUS |
|
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
.
Prod
ID : ELA-5016
|
|
|
|
HOPE'S
APPARATUS |
|
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 .
Prod
ID : HA-5017
|
|
|
|
BAR AND GAUGE |
|
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.
Prod
ID: BAG-5018
|
|
|
|
RING
AND BALL |
|
BRASS RING
ON ROD WITH WOODEN HANDLE AND 25 MM DIA BALL WITH
CHAIN.
Prod
ID: RAB-5019
|
|
|
|
BAR
BREAKING APPARATUS |
|
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.
Prod
ID: BBA-5020
|
|
|
|
EXPANSION
APPARATUS LINEAR |
|
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 .
Prod
ID : EAL-5021
|
|
|
|
EXPANSION
APPARATUS LINEAR , MICROMETER TYPE |
|
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.
Prod
ID : EM-5022
|
|
|
|
COMPOUND
STRIP |
|
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
.
Prod
ID : CS-5023
|
|
|
|
BURSTING
BOTTLE |
|
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.
Prod
ID : BB-5024
|
|
|
|
COPPER
CALORIMETER |
|
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 ) .
Prod
ID : CC-5025
+ SIZES
|
|
|
|
|
