US$ 200.00
Single-pole double-throw switch on a demonstration base
5-inch height for free-spinning compass and magnetometer demonstrations
the deeper body extending the visible refraction path for ray-box and Snell's law refraction studies
Range 10Hz to 300Hz/sec
Penny head solid cone stopper in borosilicate glass features 29/32 cone for sealing ground joint vessels with finger-grip top design
Urinalysis Demonstration Fluid with Phosphates, 500mL Glass Funnels_Dropping Funnels Single-pole double-throw switch on aPhosphate spiked 500mL of urinalysis demonstration fluid, simulating elevated phosphate urine for pH, color, and clarity testing during clinical laboratory technique training without real samples.
US$ 200.00
US$ 280.00
US$ 225.00
US$ 125.00