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You Searched For:

"Lens+Papers"

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Phenazine Paper Is Specifically Designed For Determining The Ph Range Of 4.5 To 7.5

Item Number:  (89423-136)
Each Roll Includes 15 Feet Of Paper Spooled On A Tightly Sealed Plastic Dispenser. The Paper Provides Sharp, Clear Color Changes For Easy Comparison To The Included Color Chart.

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Lens Double Convex, Diameter: 7.5 cm, Focal Lengths: 17.5 cm, Material: plate glass with carefully ground and polished optical surfaces, and cleanly ground edges

Item Number:  (470325-670)

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Double convex lens

Item Number:  (470349-660)

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Single Lens Loupe

Item Number:  (470021-808)

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Biconcave lens, glass

Item Number:  (470013-318)

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Distant Learning: Paper Chromatography

Item Number:  (470328-344)
Distant Learning: Paper Chromatography kit, 1 Chromatography Dye Set containing: 0.5mL Crystal Violet, 0.5mL Safranin O, 0.5mL Toluidine Blue, 0.5mL Chromatography Mixture, 30mL 50% Ethanol, 2 Chromatography Sheets, 4 Capillary Tubes, 2 Plastic Cups, 10oz

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Double convex lens

Item Number:  (470349-682)

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Double convex lens

Item Number:  (470349-654)

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Biconvex lens, glass

Item Number:  (470229-794)

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Double concave lens

Item Number:  (470005-602)

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Double convex lens

Item Number:  (470349-666)

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Giant Eye

Item Number:  (470007-852)

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Double convex lens

Item Number:  (470349-634)

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Double convex lens

Item Number:  (470349-630)

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Double convex lens

Item Number:  (470349-632)

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Paper Binoculars

Item Number:  (470102-468)

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Showing items   305 - 320  of 665