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Principal of Camera
biology classroom
Instruction Included: The Slide Wire Wheatstone Bridge comes with instructions
educational settings
Designed for use in professional laboratories but is an ideal choice for science classrooms and household use
Mechanical Stopwatch Principal of CameraIncluded: Stainless Steel Mechanical Stopwatch Metallic Balance Nickel Alloy Hairspring + Anchor escapement. Premium Quality: Stopwatch is made of high quality, heavy duty, stainless steel. Ideal craftmanship through and through. Can withstand high temperatures, mechanical & thermal shocks. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes
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