US$ 201.97
Hand-operated pressure pump supplying positive pressure for gas-law
Polished-hardwood Wheatstone bridge with five terminal posts
Nylon ball-bearing pulley with a bench-clamp fitting for edge-mounting on a worktable
3 inches for condensers and flasks
Reading Magnifier, 100mm, 20cm Focal Length Material_Ceramic Hand-operated pressure pump supplying positivePairs a 100mm aperture with a 20cm focal length for the lowest magnification in the chrome framed reading magnifier line, well suited where breadth of view matters more than zoom.