Description

and aluminum bobs in the pendulum-bob series

the lower-resistance higher-current option in the compact-tube rheostat line

rocker arms

Meter-stick optical bench fitted with two supports

45mm diameter

Concave Glass Mirror, 75mm Diameter, 200mm Focal Length Gifts_Kids and aluminum bobs in theWider aperture concave glass mirror at 75mm with 200mm focal length, ~3mm thick, the f 2. 7 ratio brightening real image projection setups in image formation experiments.

Exchange/Return Notes

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Concave Glass Mirror, 75mm Diameter, 200mm Focal Length Gifts_Kids and aluminum bobs in the

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