Science Models Dealers in Sadar Bazar, Delhi

• Material:: Polystyrene

These sets consist of moulded balls of different colours and sizes along with connecting lugs of different sizes. These sets are very helpful in modelling different organic & Inorganic compounds. SENIOR SET: This set consists of 150 lugs & 370 balls of prescribed colours and sizes packed in a moulded box having separate space for every particular colour & size of ball. JUNIOR SET: This set consists of 30 connecting lugs and 75 balls of different colours and sizes.

• Overall dimensions: 220 x 130 x 430 mm.approx.

ANIMAL CELL (104) Typical,a three dimensional model with one side dissected to show complete internal structures,mounted on base,with key card. 

Used for measuring unknown resistance of moderate ranges by comparison method. The Bridge is a self contained unit with built-in Galvanometers & Battery. The bridge has got the following main features.Measuring Range: 0.001 Ohm to 11.11 Megohms, Housed in a nice wooden box with carrying handle.Series Arm: It contains four decade dials of 1, 10, 100 & 1000 Ohms Ratio Arm: It is in single dial giving multiple rations of 0.001, 0.01, 1,10, 100 & 1000 Ohms.BATTERY: Built in 4.5 Volts, having 3 Nos. Torch Cells, fitted in the battery compartment at one side of the box with a removable lid.GALVANOMETER: Built-in with antiparallex mirror, knife edge pointer having sensitivity of 100 mA per scale div. Provision for connecting external Galvanometer. Switches: Two D.P.D.T. switches are provided to connect internal or external Galvanometer & Battery when desired.Keys: Two press keys are fitted on the panel to connect the battery & galvanometer into the circuit.Terminals: 6 terminals are provided on the panel for connecting experimental Resistance, external Galvanometer. CONSTANTAN COILS Calibrated to within +0.1% Provided with operating instructions.Also available with Manganin Coils. Calibrated to with + 0.05%

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