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Ferrite blocks
there is a degassing effect to ensure the clean of mobile phase
A useful tool in various electrostatic experiments - Behaves similarly to a digital electroscope
Hand-Painted Details: Each anatomical structure is meticulously hand-painted to ensure clarity and accuracy
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Mechanical Stopwatch Ferrite blocksMechanical Stopwatch. Start Stop Reset Function can be operated by the crown. Manual winding 13 Ruby. Case: chrome plated metal. Measuring range 15 minutes. Resolution: 1 10 second. Diameter: 5 cm. Premium Quality: Mechinal Stopwatch 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
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