Secondary Science Kit ("S.S.K.")

Candle holder

Perspex piece over all height 21.5mm approx round bottom 47.5 mm slot 27.5 x 5mm depth width 25.5 mm top have 12 mm dia. hole x 8mm depth As per sample
As per sample
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Metal cylinder with hook

Solid cylindrical M.S. and aluminimum dia 20mm x 50mm lenght with hook. As per sample
As per sample
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250gm weight with hook

A hook with attached disc of dia 3mm x 90 mm and weight 50g. Four slotted weights each of 50g, Total no. of weights 5 x 50g=250g As per sample
As per sample
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Raysteak box

U shape mild sheet of 24 SWG. Size of the 80-100 x 70 mm with M shape window of size of 30 mm x 30 mm starting from center bottom side of front face. Size of two sides faces:40 mm x 70mm. spot welded to the front face. Size of the M shape window cover:30 mm x 40 mm. Front face, projected to the height of 15 mm having 3 slits of 0.75 mm thickness starting from bottom . Height of slits 30 mm, second slits at the center. Distance between the slits 5 mm. Screw type bulb holder spot welded from inside of front face at the center of the window.Having one bulb of 3.2 V, bulb to be projected in the windows of front face. Complete apparatus painted black. As per sample.
As per sample
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Plano concave

Spherical Plano Lenses made from Perspex sheet of size 50 mm x 20 mm x 12 mm. As per sample
As per sample
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Half cylindrical lens

Perspex rod of size dia 28 mm x 15 mm height. As per sample
As per sample
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