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Secchi Disc with Holding String Lab Equipment_Sterilization Equipment Polished hardwood test tube rack

Secchi Disc with Holding String Lab Equipment_Sterilization Equipment Polished hardwood test tube rackLowers into ponds, lakes, or streams on its holding string until the alternating black and white quadrant pattern disappears, giving a direct field reading of water clarity.

SKU: 26316453271 · From www.marsberger-treibhaus.de

4.4
USD39.99 USD60.99

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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

Description

Polished hardwood test tube rack holding 12 tubes up to 25 mm across twelve draining pins

nucleus composition

5V flash-lamp bulbs in student-built circuits and small-scale optics demonstrations

Lightweight equilateral acrylic refraction prism with polished triangular faces

Secchi Disc with Holding String Lab Equipment_Sterilization Equipment Polished hardwood test tube rackLowers into ponds, lakes, or streams on its holding string until the alternating black and white quadrant pattern disappears, giving a direct field reading of water clarity.

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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