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Housefly Life Cycle: Explore the fascinating stages of a housefly's life with this educational specimen
40N/4Kg Newton Force Meter Spring Scale
straight rods
and a time resolution ranging from Auto 0
Overall Dimensions: 5" x 5" (12 cm x 12 cm)
Mechanical Stopwatch Housefly Life Cycle: Explore theMechanical 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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