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Product -> Electrical & Electronics

Starlac offer wide range of Physics Instruments like Electronics Instruments for Educational Institution like School, Colleges. Starlac Electrical & Electronics Instruments range are Resistance Boxes, Condenser Boxes, Potentiometers, Electronic Cell, Oscilloscope.

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Telegraph Set Table Type
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Telegraph Set Table Type   (EE - 671)

Set of two units. Each unit is fitted with one morse key, one sounder and on/off switch for battery with four terminals. Each unit is workable on 4-6volts D.C.


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Telephone Set
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Telephone Set   (EE - 672)

Set of two units, working model of primitive telephone set. One of unit can call at a time by means of a bell operated by single button switch. Works on 4-6 volts D.C.


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Motor Model
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Motor Model   (EE - 673)

Open type all parts clearly visible with two 4mm sockets, mounted on base plate, working on 4-6 volts D.C., pulley mounted on shaft.


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Motor Model with Newton's Disc
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Motor Model with Newton's Disc   (EE - 674)

Mounted on wooden base, workable on 4-6 volts D.C. with Newton's Colour disc.


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Motor, Open Model   (EE - 675)

Large size, mounted on wooden base, workable on 4-8 volts D.C. with fan blade and Newton colour disc.


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Demonstration Motor, St. Louis
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Demonstration Motor, St. Louis   (EE - 676)

For the study of the fundamental principals of electric motor and generators. The motor consists of a two-pole D.C. armature. The brush holder, with two heavy binding post terminals, may be rotated for experiments. The permanent bar magnets are supported by spring brass clamps which are un-adjustable in the horizontal plane to show the effects of pole separation. Complete with two bar magnets, a twopole D.C. armature.


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Demonstration Electric Motor
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Demonstration Electric Motor   (EE - 677)

A model of the simplest form of D.C. electric motor, having 2- pole armature wound with enameled 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 phosphorous bronze bushes is by means of a pair of 4mm sockets. The motor will operates on 6-8 volts DC.


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Dynamo Model
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Dynamo Model   (EE - 678)

With wheel, to generate alternating current (A.C.) and direct current (D.C.) represented by two lamp holders and bulbs marked A.C. and D.C., with the help of driving wheel. Mounted on polished wooden base.

Same as but only generating DC EE - 678/1

Same as but only generating AC EE - 678/2


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Demonstration Dynamo
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Demonstration Dynamo   (EE - 679)

This model uses the same basic assembly as the motor, but is mounted on a base plate 230 x 90mm approx., which also carries a hand drive pulley 120mm dia. coupled to the smaller dynamo pulley by a rubber belt to give a step-up ratio. Electrical output is via a pair of 4mm sockets and a light emitting diode is provided as simple output indicator. The model may also be used as a motor on a 6-8V D.C. supply.


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Bicycle Dynamo Assembly
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Bicycle Dynamo Assembly   (EE - 680)

For showing slow A.C. on an oscilloscope or meter or foi demonstrating the use of a dynamo, mounted on a base and provided with gears driven by a hand crank for rotation. Two 4mm socket terminals are provided for the dynamo output, connected in parallel with an M.E.S. lamp holder and 2.5V bulb.


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Carbon Arc Lamp
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Carbon Arc Lamp   (EE - 681)

Mounted on wooden base to explain working of arc lamp, operates on 12 volts A.C./D.C.


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Molecular Movement tube
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Molecular Movement tube   (EE - 682)

Straight tube filled with glass beads and mercury under high vacuum. When heated by spirit lamp the glass beads travels randomly inside the tube and hence generate the idea of ' Brownian motion of molecules.


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Friction Vacuum Tube   (EE - 683)

Straight tube filled with Neon gas. Friction is produced over the tube by rubbing a silk cloth, the bright red colour light can be seen in dark ambient.


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Roentgen X-Ray tube
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Roentgen X-Ray tube   (EE - 684)

Consists of cathode ray tube. Cathode rays from cathode are allowed to fall on a high density, high atomic weight material say, Tungsten. Under reflection the cathode rays are converted into x-rays. Works on 10 cm spark gap induction coil. The x-rays produced are soft x-ray but must be prohibited for over exposure.

Comprises a glass sphere with concave disc electrode generating cathode rays and focus on a tungsten target placed at 45 angle, at the inner end of arm exactly opposite.

A

B

C

Dia of Tube

80mm

90mm

110mm


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Fluorescent X-Ray Screen   (EE - 685)

The screens are framed and covered by a protecting glass plates, suitable for the observation of emission of x-ray from the source.

Size(cms) a) 10x10 b) 10x12 c) 12x15 d) 15x25


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