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Decimal Abacus 1000-PV 303

This wooden base abacus with measure 15 cm x 4 cm, thickness 18 mm having 7 holes with 7 spikes of 4 mm thick metal, provided with 70 beads of 7 colors. This abacus gives the facility to understand decimal place value.

Decimal Plate 1000-NB 601

To understand Multipication of decimal number with the help of grid printed square Plate of size 10 cm x 10 cm and translucent plastic strip with measure 10 cm x 2 cm & 10 cm x 1 cm in multiple quantity.

DEFLECTION MAGNETOMETER – GUPTA BRAND 8006208

A: Comprising a stout metal box, 100mm diameter, with aluminium dial graduated in degrees 0-90 four times, anti-parallex mirror slot made by bakelite. B: As above, but made of bakelite/metal case, mounted on wooden base with meter scale.

Delhi ( 50000554 )

DELTA – GUPTA BRAND 6000-GT 02

SIZE :  22X15CM

DELTA MODULATION & DEMODULATION – GUPTA BRAND 200433

• +/-5V, +/-12V/350 mA DC Power Supply
• Built in TTL Clock Generator
• Modulating signal Generator 1KHz with variable amplitude
• Delta Modulator
• Delta Demodulator