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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Includes protractor
Premium Quality: Silicon Dioxide
bull frogs
Gas Measurement and Analysis: The Photosynthesis Apparatus is designed for measuring and analyzing gas given off by plants
Conductors, Set of 3 Includes protractorSet of 3 Conductors. The Conductors Set contains three brass units on interchangeable pillars fitted with ebonite insulators. This aluminum sphere, 5cm in diameter, is mounted on an insulating support rod with a stable, durable base. Brass Cylinder 12. 5cm x 5cm dia., fitted with insulator of ebonite on metal base. Premium Quality: Conical Conductor is made of high grade construction all the way through, excellent build quality and proven reliability
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