From ordinary glass plates properly cemented with optical cement. Available in different sizes.
Category: Physics Instruments
PROJECT TILE APPARATUS – GUPTA BRAND 8006135
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Showing that horizontal and vertical motions are independent of each other. Consists of a wooden block 190 x 58 x 30 mm approx. with a pivoted L-section spring loaded metal launching bar with a trigger catch. On releasing the catch, one steel ball drops vertically while the other is projected horizontally, both hitting the floor at the same time. Supplied with 2 steel balls with storage recess in the block. |
PULLAY PLASTIC – GUPTA BRAND 8006137
Pulley plastic in frame single, double, triple
PULLEY METAL – GUPTA BRAND 8006136
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RAY BOX – GUPTA BRAND 8006164
Provide a simple means of producing single or multiple rays of light for use in elementary optics. Made of die-cast alloy, the raybox has an open front and vertical internal grooves to accommodate a slit plate and a cylindrical lens. Supplied complete with a metal plate having single and triple slits, a 12 V 24 W SBC line filament lamp and a lampholder.
READING TELESCOPE – GUPTA BRAND 8006166
These are fitted with an achromatic objective of F.L. 178mm, clear aperture 23mm and 8X ramsden eye piece with a 90 deg. Cross line reticle. The focussing is done by rack and pinion mechanism, with a range from 1000mm to infinity.