Spiral Spring conforming to the British Pharmacopoeia

conforming to the British Pharmacopoeia (BP) standards

Safe use from notifications for remaining battery

each grade is 2V

and Substance not precipitated by NH3

Spiral Spring conforming to the British PharmacopoeiaLong Wave Form Spring, for experiment in wave motion, pulses, reflection and interference. Closed length: 1. 8m, Diameter 2cm. Premium Quality: Spiral Spring 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 with different sizes design, please