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| DIRECT VISION SPECTROSCOPE (WITH WAVE LENGTH SCALE)
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All brass body
Fine spectrum through 10x10mm size 3 element design optical glass prism
Precision adjustable slit by knuried head rotatable ring
Telescopic focussing for spectrum and scale
Direct wave length reading 400 nm to 750 nm each division represents
5 nm with sodium D-line
Special fitting for test tubes which may be held against the slit for examination of colour solution to find out their wave length
Velvet case packing, instruction manual |
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