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Optically Worked Double Concave Glass Lens, 75mm Diameter, 1000mm Focal Length Meters_Electrical energizing spectrum tubes from a

Optically Worked Double Concave Glass Lens, 75mm Diameter, 1000mm Focal Length Meters_Electrical energizing spectrum tubes from aExtra long 1000mm focal length 75mm double concave glass lens, the near flat diverging curvature giving near collimated virtual reflections for astronomical and parallel beam analogue work.

SKU: 46975297553 · From clintoncounty708.com

4.5
USD14.79 USD57.79

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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

Description

energizing spectrum tubes from a 110V source to excite hydrogen

letting students drive the lamp directly or send the slow AC output to a meter or oscilloscope

supplying a 1

and chemistry heating applications

Optically Worked Double Concave Glass Lens, 75mm Diameter, 1000mm Focal Length Meters_Electrical energizing spectrum tubes from aExtra long 1000mm focal length 75mm double concave glass lens, the near flat diverging curvature giving near collimated virtual reflections for astronomical and parallel beam analogue work.

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