Sadana Brothers
Sadana Brothers
Naraina Industrial Area Phase 1, New Delhi, Delhi
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Magnetic and Electromagnetic Instruments

Providing you the best range of horseshoe magnet, rheostat resistor, horseshoe steel magnet, copper wire, pvc insulated, circuit board kit and copper voltameter with effective & timely delivery.

Horseshoe Magnet

Horseshoe Magnet
  • Horseshoe Magnet
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Approx. Price: Rs 10 / OnwardsGet Latest Price

Our organization specializes in providing a comprehensive range of Horseshoe Magnet. Made in traditional style from 5 mm thick and approximate 12 mm wide steel strips except for the largest size which is about 15 mm wide. Our offered range is painted red and stamped with ‘N’ and ‘S’ so as to indicate north & south poles and supplied with soft iron plated keeper.

 

This range is quite popular in the market for listed attributes:

 

  • Low maintenance

  • High efficiency

  • Long working life

Overall length Cat. No.
50mm 3102-01
75mm 3102-02
100mm 3102-03
150mm 3102-04

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Additional Information:

  • Item Code: 3108-01
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Rheostat Resistor

Rheostat Resistor
  • Rheostat Resistor
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Approx. Price: Rs 10 / OnwardsGet Latest Price

We have put forth for our clients an impeccable range of Rheostat Resistor. Designed from heat resistant, air cooled, hollow porcelain tube that is closely wound with a resistance wire of copper nickel alloy which is previously oxidized to provide perfect insulation. Our range can be used either as a rheostat or as a potentiometer. Available with a variety of resistances and current carrying capacities, our products can be calculated as watts = 2 x resistance in ohms.

 

Our range is known for listed feature:

 

  • Corrosion resistance

  • Excellent performance

  • High functionality

 

Max. current Amps

Resistance Ohms

Cat No.

0.25

5700

3149-01

0.54

1475

3149-02

0.77

715

3149-03

1.0

500

3149-04

1.10

360

3149-05

1.6

180

3149-06

0.2

90

3149-07

2.2

90

3149-08

3.1

45

3149-09

4.4

44

3149-10

4.4

20

3149-11

6.2

11

3149-12

8

5.6

3149-13

8

5

3149-14

RHEOSTAT - METAL ENAMELED PIPE

2.5

50

3150-01

5

11

3150-02

5

15

3150-03

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Horseshoe Steel Magnet

Horseshoe Steel Magnet
  • Horseshoe Steel Magnet
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Approx. Price: Rs 10 / UnitGet Latest Price

Enriched by the vast experience, we are engaged in offering a wide range of Magnet Steel Horseshowto the clients. Suitable for many experimental and demonstration needs, these products are used in general science and physics laboratory. Developed using 5mm thick and approximate 12mm wide, our range is known for its largest size which is about 15 mm wide.

 

Our quality products are acknowledged for mentioned attributes:

 

  • Accurate dimension

  • High functionality

  • Long working life

 

Overall length

Cat. No.

50mm

3102-01

75mm

3102-02

100mm

3102-03

150mm

3102-04

 

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  • Item Code: 3102
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Copper Wire, PVC Insulated

Copper Wire, PVC Insulated
  • Copper Wire, PVC Insulated
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Backed by rich industry experience, we are engaged in offering an excellent range of Copper Wire, Pvc Insulated. The products comes with a single strand copper wire of 24 S.W.G. with PVC insulation, which is highly appreciable among the customers. Our products are precisely developed by making use of qualitative raw material and ultra-modern tools & technology at our spacious manufacturing unit.

 

These products are widely known for mentioned attributes:

 

  • Low maintenance

  • High efficiency

  • High functionality

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  • Item Code: 3038-80
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Circuit Board Kit

Circuit Board Kit
  • Circuit Board Kit
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Allows students to investigate nature and properties of electricity
using simple circuits that can be constructed on a base board. The kit


consists of the following:

  • 1 Base board
  • 12 Connectors plain. For building the circuit
  • 9 Lamp holders, mounted on connectors
  • 1 Rheostat, mounted on a connector
  • 2 Push switches, mounted
  • 2 Crocodile connectors with lead
  • 2 Crocodile clips
  • 1 Reel of bare copper wire
  • 1 Reel of bare eureka wire
  • 1 Reel of plastic covered copper wire
  • 2 Leads, crocodile to 4mm plug connectors
  • 1 copper foil 150mm square
  • 1 Resistor
  • 2 Soft iron nails
  • 1 Piece of steel wool
  • 1 Rectier
  • 4 Pencil leads
  • 1 Hardboard disc
  • 10 Lamps 1.25V

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  • Item Code: 3183-10
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Copper Voltameter

Copper Voltameter
  • Copper Voltameter
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For measuring the quantity of electricity from the mass of copper deposited on one of its electrodes. Consists of three copper plates suspended from a bakelite cover of a plastic jar. Outer two electrodes acting as double anode are connected to one binding post on the top. The third inner copper plate xed to another binding post acts as a cathode and can easily be removed for weighing.
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  • Item Code: 3153-00
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Lenz Law Apparatus

Lenz Law Apparatus
  • Lenz Law Apparatus
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The 30cm copper tube has a windowed groove down the side that permits observation of the descending magnet or slug. Observe the effects of eddy currents as the magnet oats downwards, apparently defying gravity. Supplied with metal slug and a similar sized magnet.
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  • Item Code: 3007-00
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Electrodes Flat With Binding Post

Electrodes Flat With Binding Post
  • Electrodes Flat With Binding Post
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Size (I x w), 125 x 50mm with 4mm socket binding post terminal.


Material Cat. No.
Aluminium 3151-21
Carbon 3151-22
Copper 3151-23
Iron 3151-24
Lead 3151-25
Zinc 3151-26

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Compass Both Side Glass

Compass Both Side Glass
  • Compass Both Side Glass
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Here’s an easy way to demonstrate magnetic fields in class. Simply use these small, clear- cased compasses to map magnetic fields by placing them around different shaped magnets. Size 19mm.
1249-60.

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  • Item Code: 1249-60
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Brownlee Electrolyis Apparatus

Brownlee Electrolyis Apparatus
  • Brownlee Electrolyis Apparatus
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Designed for simplicity and economy. Ideal for lecture table or student laboratory work. Consists of nonconducting support equipped with binding posts connected to 2 insulated platinum electrodes, 2 inverted 150mm test tubes, and a 112 x 125mm glass jar.
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  • Item Code: 3155-10
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Electrostatic Kit

Electrostatic Kit
  • Electrostatic Kit
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Comprises of 4 metallized polystyrene spheres, 2 each of aluminum cans, polyethylene tiles and 1 each of  Electrostatic Kit electroscope, nylon reel, cellulose acetate strip, polyethylene strip, wire stirrup, electrophorus, proof plane, wire hook, rubber cloth.
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  • Item Code: 3135-05
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Contact Tapping Key

Contact Tapping Key
  • Contact Tapping Key
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For providing momentary contact in electrical circuits which are normally open. Can also be use in morse code applications. Consists of a bakelite base with two 4mm socket binding post terminals. Circuit is closed with plated spring hard brass strip with insulated knob. Silver contacts.
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Electromagnetic Kit Westminster

Electromagnetic Kit Westminster
  • Electromagnetic Kit Westminster
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Pupils can conduct many experiments in electromagnetism, including the manufacture of their own working electric motor. Comprises 8 anisotropic alloy magnets, 8 anisotropic ceramic ferrite magnets, 4 steel magnets, yokes, plotting compasses, hardboard formers, iron fillings dispensers, bottle of iron fillings, double C-cores, C-core clips, rings and split rings, support bases, armatures with axle tubes, aluminum axle rods, split pins, rivets, rubber tubing, formers, reels, cellulose tape, reels of Cu wire, white paste board, plain postcards, white cotton, carbon resistors,(10W and 100W), flash lamp bulbs, neon bulbs, bulb holders (MES), wood clamps, wood blocks and instructions.
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  • Item Code: 3166-71
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Friction Exciting Pad

Friction Exciting Pad
  • Friction Exciting Pad
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For producing electrostatic charges on friction rods, electrophorous plates etc. Approximately 30cm square pads.


Material Cat. No.
Cotton annel 3129-01
Silk annel 3129-02
Wool annel 3129-03

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Lamp Holder Economy Switch

Lamp Holder Economy Switch
  • Lamp Holder Economy Switch
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Approx. Price: Rs 10 / PieceGet Latest Price

Product Details:

Body MaterialPlastic

Open bulb miniature socket. Consists of a 53mm diameter plastic base with two plated brass fahnstock clips for connecting wires to a miniature lamp bulb holder.
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  • Item Code: 3163-03
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U Shape Magnet Large

U Shape Magnet Large
  • U Shape Magnet Large
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Powerful U-magnet, made of steel. Overall dimension 140 x 80 x 18mm.

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  • Item Code: 3102-51
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Receptacle for Miniature Lamp

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Receptacle For Miniature Lamp (Lamp Holder M.E.S. Unmounted)
For flash lamp bulbs. Consist of a rolled shell of brass mounted in plastic base with two screw terminal connections. Diameter 29mm and height 16mm. For use at voltages up to 50V A.C.


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  • Item Code: 3161-01
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Plug Switches

Plug Switches
  • Plug Switches
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Comprised of two or more brass blocks fitted with brass terminals and mounted on a black bakelite base. Tapered plugs with bakelite moulded tops fit into the tapered holes between the blocks providing low resistance contact.

Type Cat. No.
One way 3146-11
Two way 3146-12
Three way 3146-13
Four way 3146-14
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Solenoid Set Of Four

Solenoid Set Of Four
  • Solenoid Set Of Four
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For quantitative investigation of magnetic field within solenoids having different cross-sectional areas and number of turns per meter. The set has square sections, single layer solenoids, each having wound length of approximately 260mm and mounted on a former fi tted with small feet and 4 mm sockets. Two solenoids are of 2500 mm2 cross sectional area and have 165 and 330 turns respectively and the other two area of similar but of 5000mm2 cross-sectional area.
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  • Item Code: 3172-11
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Resistance Box

Resistance Box
  • Resistance Box
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Interchangeable 4mm spring plug type with non-inductive resistance coils, accuracy + 0./5%. Each coil rated 1W. In wooden case, with external connection via 4mm sockets.

Range Cat. No.
0 to 50 x 1 Ω 3015-01
0 to 100 x 1 Ω 3015-02
0 to 500 x 1 Ω 3015-03
0 to 1000 x 1 Ω 3015-04
0 to 5000 x 1 Ω 3015-05
0 to 10000 x 1 Ω 3015-06
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Magnetic Compass

Magnetic Compass
  • Magnetic Compass
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For plotting and exploring magnetic field. In a plastic case with a four color graduated dial. Full circle divided into 360 with N, W, S, E, etc. directions indicated. Graduated every 5 and labelled in 15 increments. The red tip indicates north. Diameter 38mm. 3121 -21
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  • Item Code: 3121-21
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Dynamo Motor

A model of the simplest form of D.C. electric motor, having 2-pole armature wound with enamelled copper wire, and a permanent magnetic field provided by a removable bar magnet. The construction of the model is completely open and all components are readily observable. A disc-type commulator is incorporated and external connection to the phosphorus bronze bushes is by means of a pair of 4 mm sockets. The motor operate on 6-8 volts D.C.
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  • Item Code: 3167-10
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Demonstration Meter Scales Spare

Demonstration Meter Scales Spare
  • Demonstration Meter Scales Spare
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DC Current Range

3031-10 2.5-0-2.5mA
3031-11 10-0-10mA
3031-12 0-10mA
3031-13 0-50mA
3031-14 0-100mA
3031-15 0-500mA
3031-16 0-1A
3031-17 0-5A


DC Voltage Range

3031-31 0-1V
3031-32 0-5V
3031-33 0-10V
3031-34 0-15V
3031-35 0-300V
3031-36 5-0-5V
3031-37 10-0-10V
3031-38 0-100mV
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Electrolysis Cell

Electrolysis Cell
  • Electrolysis Cell
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A simple safe cell for students and requires a very small quantity of electrolytes. It consists of a 75x25mm glass tube, the lower end of which accommodates a tight-fitting rubber stopper with two carbon electrodes. Contact with each electrode is by means of a crocodile clip. The evolved gas is collected in two glass test tubes 75x10mm.
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  • Item Code: 3155-15
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Ticker Timer Tape

Ticker Timer Tape
  • Ticker Timer Tape
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A 100m roll, 10mm wide ticker timer tape.
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  • Item Code: 3012-09
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Electric Field Apparatus

Electric Field Apparatus
  • Electric Field Apparatus
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To demonstrate the electric fields patterns. Supplied with 3 pair of electrodes that is, straight, pointed and circular.
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  • Item Code: 3012-00
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Tangent Galvanometer

Tangent Galvanometer
  • Tangent Galvanometer
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Ring of bakelite 162mm and wound with three coils of insulated copper wire 2, 50, 500 turns. Connections can be made with 4mm socket terminals.
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  • Item Code: 3158-02
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Magnet, Ring, Creamic

Magnet, Ring, Creamic
  • Magnet, Ring, Creamic
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For collision studies in physics and other applications such as focussing magnet etc. Charged on the faces.

o.d x i.d x h Cat. No.
32 x 18 x 6mm 3111-01
36 x 18 x 8mm 3111-02
45 x 22 x 9mm 3111-03
45 x 22 x 11mm 3111-04
53 x 24 x 9mm 3111-05
53x 24 x 11mm 3111-06
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Magnetic Compass

Magnetic Compass
  • Magnetic Compass
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For tracing the magnetic fields of bar magnets. Consists of a magnetic needle encased in cylindrical aluminium case with glass top. Card dial.

Diameter Cat. No.
16mm 3121-01
25mm 3121-02
37mm 3121-03
50mm 3121-04
75mm 3121-05
100mm 3121-06

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Electrode Carbon Rod

Electrode Carbon Rod
  • Electrode Carbon Rod
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For electrolysis of reactive materials like hydrochloric acid and other compounds. Suitable alternative to platinum. Alligator clips can be used for making wire connections.


Size Cat. No.
150 X 5mm 3151-41
200 x 5mm 3151-42
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Electric Door Bell

Electric Door Bell
  • Electric Door Bell
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For a range of basic experiments such as electric doorbell experiments in science laboratory. Made of plated pressed steel gong diameter 6.8mm. Total length 15.5cm. Works on 3V dry cells. Coils are enclosed under a removable plastic cover with 4mm socket terminals.
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  • Item Code: 3166-01
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Crocodile Clips

Crocodile Clips
  • Crocodile Clips
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Made of steel (plated). Pack of 100
(50 Red and 50 Black)
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  • Item Code: 3046-01
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Banana Plug, 4Mm, With Lead

Banana Plug, 4Mm, With Lead
  • Banana Plug, 4Mm, With Lead
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Banana plug at both ends of a 500mm insulated copper wire.

3046-51 Red
3046-55 Black

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Carbon Discs

Carbon Discs
  • Carbon Discs
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Pack of 100.
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  • Item Code: 3012-10
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Electrode Pair, Platinum, Spare

Electrode Pair, Platinum, Spare
  • Electrode Pair, Platinum, Spare
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For use with hoffman electrolysis apparatus described above (3155-01).
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  • Item Code: 3155-04
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Whimshurt Machine

Whimshurt Machine
  • Whimshurt Machine
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For generating static electric charges and causing electric discharges. Relative to Van de Graaf it produces higher current with lower voltage.
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Oersted Law Apparatus

Oersted Law Apparatus
  • Oersted Law Apparatus
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For demonstrating the relationship between magnetism and magnetic effect of electric current fl owing in a wire. Comprised of a permanent magnetic needle, 15cm, free to rotate at the center of an aluminium frame suitably connected to permit current to fl ow over or under the needle in either direction.
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  • Item Code: 3168-00
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Electrode Pair, Carbon, Spare

Electrode Pair, Carbon, Spare
  • Electrode Pair, Carbon, Spare
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For use with hoffman electrolysis apparatus described above. Size (i x d), 100 x 5mm. Inserted in a rubber stopper with insulated lead wire.
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  • Item Code: 3155-05
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Holder For D Dry Cells

Holder For D Dry Cells
  • Holder For D Dry Cells
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For using “D” flash light cell as small, low-voltage power source in the science laboratory, kits etc. Snap-fit aluminium holder for “D” dry cells with fahnstock clips on both sides for external connections. Provided with holes for attaching to a board or panel. Any number of cells can be connected in series or parallel.
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  • Item Code: 3160-01
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Rohit Sadana (Partner)
A- 8/ 1, Naraina Industrial Area, Phase- 1
New Delhi- 110028, Delhi, India



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