Replacement Diffraction grating holder for Eisco Labs PH0619 Spectrometer - Made of metal. Two mounting holes are 1.5" apart. - Holes are approx. 0.125" dia. Two 1.25" tall rods are paired up with a spring loaded clip. 1 single holder
Replacement Diffraction grating holder for Eisco Labs PH0619 Spectrometer - Made of metal. Two mounting holes are 1.5" apart. - Holes are approx. 0.125" dia. Two 1.25" tall rods are paired up with a spring loaded clip. 1 single holder