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Liquid State: This propionaldehyde solution is in a liquid state
Premium Quality: Optical Bench is made of high-grade construction all the way through
Mainly applied in studying the imagery laws of lens measuring the focus
3 x double-sided game boards
1 x Flask Erlenmeyer
Electroscope Liquid State: This propionaldehyde solutionMeasures magnitude of electrical charge. Durable metal casing. Slide out glass panels. Gold leaf can be replaceable. Scale for ease of measurement. Grounding connector. Premium Quality: Electroscope is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order
