Description
this pipette-type hydrometer draws electrolyte into a glass body with a colored-zone float for direct reading
configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations
and a central control module
Neck outer diameter: 33
Wood and Metal Cylinder for Thermal Demonstration Racks & Stands_Test Tube Racks this pipette-type hydrometer draws electrolyteHalf wood half metal 200 by 30mm cylinder demonstrating thermal conductivity differences through a wrapped paper that scorches over wood but stays uncharred over metal in flame.
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]
- Please click here for more details>>> Return & Exchange Policy
