US$ 189.00
the elongated triangular geometry handling longer ray paths for total internal reflection and beam-redirection optics
5 mm inner profile
freefall times
Borosilicate 3
dropping into the Worcester Circuit Board Kit for telegraph work
Steel Folding Quadrat, 0.5m Square Length_75mm the elongated triangular geometry handlingBolt together folding quadrat of white coated steel rods, forming a half meter square for ecological field sampling and population count fieldwork.
US$ 189.00
US$ 167.00
US$ 267.00
US$ 196.00
US$ 447.50
US$ 165.00
US$ 164.50