Constant deviation spectrograph[1304] for direct reading for visible wavelength of spectrum, special series, emission spectra of elements, absorption spectra of compounds, fluriscence spectra, band spetra, zeman effect and determination of e/m, deflection of traces of metallic elements, raman spectra of liquids polarisation, studies, unknown substances analysis.the instrument has heavy pillar for mounting collimator/telescope prism housing. Prism table properly housed rotatable callibrated wave ength drum reflective index 1.661.74 achromatic high resolution lensesin telescope and collimator with rack and pinion eye piece with micrometer l.c. 0.01cm.

Constant deviation spectrograph[1304] for direct reading for visible wavelength of spectrum, special series, emission spectra of elements, absorption spectra of compounds, fluriscence spectra, band spetra, zeman effect and determination of e/m, deflection of traces of metallic elements, raman spectra of liquids polarisation, studies, unknown substances analysis.the instrument has heavy pillar for mounting collimator/telescope prism housing. Prism table properly housed rotatable callibrated wave ength drum reflective index 1.661.74 achromatic high resolution lensesin telescope and collimator with rack and pinion eye piece with micrometer l.c. 0.01cm.