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Percy Bysshe Shelley ( 50000304 )
PERIMETER – GUPTA BRAND 30009583
Used to measure the peripheral field vision. The apparatus comprises of a calibrated arc, revolving chart holder. The object carrier which moves over the arc,contains five colours and five aperture of diffrent diameter,calibrated scale.At the back of the arc arrangment is provided for fixing of chart which has concentric circles corresponding to the degrees of arc. Adjustable chin rest. All fitted over a sturdy base with receptacle for keeping charts. For table top use. Complete with 100 charts.
PERIODIC TABLE OF ATOMS GUPTA BRAND 10007013L
Multi-coloured, showing solids, liquids, gases in separate distinctive colours with symbols & names,density,atomic radii,melting points,boiling points,atomic numbers, atomic weights, electronic structure, crystal structure, valency, ionisation potential, electro-negativity etc. Information about 105 elements is given. Size 140 x 100 cm, mounted, with rollers
Periodic Tables Of The Elements (white Polyart) ( CH 877 )
PERISCOPE – GUPTA BRAND 8006160
To show principle of reflection, with two plane mirrors fixed at 45°, overall size 250 x 45 x 45 mm, polished wood