Description
preserving field strength between magnetism and field-line activities
Vertical section of a monocot leaf enlarged 300x exposes parallel venation
Packaged as a biodegradable classroom kit
preserving the field between teaching sessions
Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid
Mounted Magnetometer Subject_Botany preserving field strength between magnetismPolished non warping wooden base with a built in meter scale carries a compass box magnetometer, sized for measuring direction and field strength on the lab bench.
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