Eisco Intermediate Spectrometer; 150mm fixed scale; 32mm clear aperature

Spectrometer

Scale

Fixed 150mm

Spectrometer; Scale; EISCO USA; Fixed 150mm; Table and telescope independent; Collimator: 178mm focus achromatic adjustment, 32mm clear aperature; Prism table mountable on spectrometer; With 15X Ramsden eyepiece, glass cross-line graticule

Spectrometer

Scale

Fixed 150mm

Table and telescope independent

Prism table mountable on spectrometer

Collimator: 178mm focus achromatic adjustment, 32mm clear aperature