US$ 274.00
fine print
Spring-loaded two-prong jaws self-adjust to apparatus up to 2
supplied in a wooden case for full-classroom harmonic investigations
a battery-free source of partial vacuum for bell-jar demonstrations without external power
Rod-Mounted Pulley, Classroom Grade Subcategory_Geology Models fine printRod mounted plastic ball bearing pulley with a 50mm wheel on a 150 by 10mm rod, engineered for low friction operation during accurate mechanical advantage measurements.
US$ 274.00
US$ 128.00
US$ 71.00
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US$ 144.00
US$ 199.00