Description
and 500mm focal lengths for comparative refraction experiments
this adjustable spectrometer pairs collimator
condensing lens
5% accuracy
Twin-bore brass block calorimeter at 1kg adjusted to +2% mass accuracy
Set of 50 Rocks Cardboard Box Science at Home_Chemical Science and 500mm focal lengths forSet of 50 Collections. Each specimen labelled with name. Set of 50 Collections of Igneous, Sedimentary, Metamorphic rocks containing different rock specimens supplied in carboard box. Each specimen labelled with name.
Exchange/Return Notes
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