Showing 61–72 of 337 results
Combined Light / Moisture / pH TesterUS$8.35
This three in one meter measures moisture, pH of soil and light for plant growth.
Concave / Convex Mirror 75MM Diameter, 20CM Focal LengthUS$7.84
Spherical glass mirror 75mm diameter, focal length 200mm.
Concave Mirror 100MM DiameterUS$8.48 – US$9.70
100mm Diameter F.L. – 150mm
Concave Mirror 50MM DiameterUS$1.12 – US$2.72
Concave Mirror 50MM Diameter Available in Different Focal Length.
Concave Mirror 75MM DiameterUS$3.65 – US$4.22
Concave Mirror 75MM Diameter Available in Different Focal Length.
For demonstrating the different heat conductivity of five metals by observing the melting of wax.
Convection App GasesUS$28.80
For demonstrating the phenomenon of convection currents in air.
Convection ApparatusUS$17.31 – US$25.60
A rectangular shaped borosilicate glass tube (w x h), 15 x 21cm with a funnel shaped opening at the top for filling liquids.
Convex Mirror 50MM DiameterUS$1.15 – US$2.56
Convex Mirror 50MM Diameter Available in Different Focal Length.
Convex Mirror 75MM DiameterUS$2.72 – US$4.00
Convex Mirror 75MM Diameter Available in Different Focal Length.
Cork Borer Set of 6US$14.40
Made of plated sharpened brass tubing with attached handles.
Cork StopperUS$6.88 – US$120.74
Cork Stopper Pack of 100