Spectroscope
" Sales Code PLIG101"

Used To Observe Dispersion Of Light. Designed for classroom use, this useful little instrument incorporates a 600 l/mm diffraction grating and optical system, which combine to produce bright and linear spectrum centrally in the field of view. Dimensions approx 25mm diameter x 115mm long.


Colour Filters
" Sales Code PLIG102"
Set Of Seven Mounted Colour sheets made of heat resistant acetate. Made specially for use in high temperature applications. Sheet size 610 x 610mm.
Red
Dark green
Dark Blue
Yellow
Magenta
Cyan
Mauve


Newton's Colour Disc
" Sales Code PLIG103"

Consists Of A Disc With Spectrum Colours , Dia 200 Mm ,Mounted On Stand With Turning Wheel And Handle.

Diffraction Grating
" Sales Code PLIG104"
Photographic Replica Gratings Mounted On Plate Glass And Suitable For Visual.  

Grading Size : 25 X 25 Mm , 50 X 38 Mm On Glass Plate.

The Grating Are Of : 300 Lines Per Millimeter.
..................................600 Lines Per Millimeter.
................................2400 Lines Per Inch.
................................7500 Lines Per Inch.
..............................15000 Lines Per Inch.

Model Eye Kit
" Sales Code PLIG105"
Comprises 5-Litre Round-Bottomed Flask With Cork Support Ring,25 Gm Fluorescein , Packed Plasticine And One Each +11d , + 8 D And +5.5 D Meniscus Lens To Demonstrate Normal , Long And Short Sight ,Respectively. Correcting Lenses Of + 2.5 D And -3 D Included To Demonstrate Functions Of Spectacles .

Compact Light Source
" Sales Code PLIG106"

To Provide Intense Source Of Illumination .It Consists Of A Well Ventilated Metallic Housing With Two Shuttered Holes Giving Access To Coiled Filament Transversely Or End On So As To Use It As A Line Source Or Point Source.Bulb Fitted Is A Tungsten Halide Projector Lamp , 12v 100w.A Side Support Rod Of 13 Mm Dia Is Fitted.