Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs auspowers_batchone Package Included: 1x 110mm Timing

Package Included: 1x 110mm Timing Belts 1x 200mm Timing Belts 1x 300mm Timing Belts 1x 400mm Timing Belts 1x 610mm Timing Belts

Square shoulder allows for nut to be tightened or loosened

constant force spring

Best for working with wet & oily hand

Flexible Ribbed Tube Design for clean and easy install

Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs auspowers_batchone Package Included: 1x 110mm TimingEconomy 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