US$ 18.99
1 inches) with red/blue pole markings and steel keepers
the standard spectrometer integrates collimator
Sheet-metal housing on a clamp-and-rod base swivels to any angle
Fine 40-60 mesh iron filings in a 100-gram sprinkle bottle
supplied with 1
Electrostatic Discharge Tongs with Brass Spheres, 20cm Subcategory_Test Tubes 1 inches) with red/blue poleBrass spheres electrostatic discharge tongs at 20 cm with adjustable jointed rods and an insulated ebonite handle, safely grounding accumulated static charge during high voltage demonstration work.
US$ 18.99
US$ 15.99
US$ 769.45