Class B Borosilicate Glass Graduated Cylinder with Protective Collar, Blue Graduations Capacity:10mL Engineered with a higher spring

Engineered with a higher spring constant than a classic coiled novelty spring

Benchtop hydro-electric power station at 13 by 9 by 7

large-amplitude waves that students can resolve when oscillating the spring by hand for transverse-wave studies

and analytical chemistry workflows

Four-hundred and 500-turn coil pair on Tufnol bobbins for Westminster-style laminated C-cores

Class B Borosilicate Glass Graduated Cylinder with Protective Collar, Blue Graduations Capacity:10mL Engineered with a higher springDetachable polymer collar cushions the neck against impact during handling, riding above the graduation scale on an ASTM compliant measuring cylinder.