Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs auspowers_batchone Best for working with wet

Best for working with wet & oily hand

constant force spring

Flexible Ribbed Tube Design for clean and easy install

HIGH QUALITY TO BE TRUSTWORTHY: 304 stainless steel material

Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs auspowers_batchone Best for working with wetEconomy Spectroscope Tube 500 Lines mm Grating Eisco Labs This is a basic spectroscope that can view spectra emitted by light sources. It's lightweight, easy to use, and makes a great activity both in the classroom and at home. Experiment with different kinds of lights both indoors and outdoors. Spectroscope measures 10. 25" long. Body has a diameter of 1", and ends have a diameter of 1. 15". There are 500 lines mm on the grating. Product Features