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Tuesday, May 12, 2020 | History

2 edition of Spectral-transmissive properties and use of colored eye-protective glasses found in the catalog.

Spectral-transmissive properties and use of colored eye-protective glasses

William Weber Cobientz

Spectral-transmissive properties and use of colored eye-protective glasses

by William Weber Cobientz

  • 257 Want to read
  • 29 Currently reading

Published by United States Govt. Print. Off. in Washington .
Written in English

    Subjects:
  • Radiation,
  • Glass,
  • Eyeglasses

  • Edition Notes

    Statementby W.W. Coblentz and R. Stair. Issued June 1, 1938
    SeriesUnited States. National Bureau of Standards. Circular of the National Bureau of Standards -- C421, Circular of the National Bureau of Standards -- C421
    ContributionsStair, Ralph
    The Physical Object
    Paginationii, 28 p. incl. tab., diagrs.
    Number of Pages28
    ID Numbers
    Open LibraryOL18168060M

      Coblentz et al., "Spectral-Transmissive Properties and Use of Colored Eye-Protective Glasses" National Bureau of Standards C, , pages relied upon. INCREASING use of tinted eyeglasses by motorists for day driving and for protection from headlight glare at night lends particular pertinence to revelations just made by the National Bureau of Standards under the forbidding title of "Spectral-transmissive properties and use of colored eye-protective glasses.".

    Glass. Online books by this author are available.. See also what's at Wikipedia, your library, or elsewhere.. Broader terms: Amorphous substances; Ceramics; Related term: Glazing; Narrower terms: Glass -- Catalogs. Eye Spectrum Frames. We stock a variety of frame styles for men, women, teens and children. They are available in a number of styles from fashion forward designer frames to more traditional styles. Materials include strong and lightweight plastic and metal alloys such as titanium.

      Colour and The Optical Properties of Materials, Second Edition: An Exploration of the Relationship Between Light, the Optical Properties of Materials and Colour By Richard Tilley, "Emeritus Professor, University of Cardiff, UK" Our day-to-day world is ablaze with colour/5(5).   Coblentz et al., “Spectral-Transmissive Properties and Use of Colored Eye-Protective Glasses” (), pp. Thornton “Three-Color Visual Response” Journal of the Optical Society of America vol. 62, No. 3 (Mar. ), pp.


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Spectral-transmissive properties and use of colored eye-protective glasses by William Weber Cobientz Download PDF EPUB FB2

Weldingoperationsarelight-colored,blue-greentoyellow-green glasses that intercept the ultravioletandinfrared rays and con- tain a sufficient amountof didymium to absorbselectively the. Additional Physical Format: Online version: Coblentz, William W.

(William Weber), Spectral-transmissive properties and use of colored eye-protective glasses. Additional Physical Format: Online version: Stair, Ralph. Spectral-transmissive properties and use of eye-protective glasses. Washington, D.C.: U.S.

Dept. The transmittance, T, of a platc is defined as the ratio of radiant flux (P2) transmitted by the plate to the flux (PI) incident upon it. Internal trans­ mittance (Ti) is defin ed as the ratio of the flux (P) arriving at the second surface of the plate to that flux (Po) penetrating the fir t Size: 4MB.

texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK Transmissive properties of eye-protective glasses and other substance. Item Preview remove-circle Transmissive properties of eye-protective glasses and other substance. by Coblentz, W.W.; Stair, R. Publication date Abstract.

From a safety standpoint the most desirable laser hazard control measure is complete enclosure of the laser or laser system; however, this may not always be practical and laser eye protection generally offers the best : David Sliney, Myron Wolbarsht.

This was the first commercial use of cerium. It was in a crude form with other rare earth oxides including neodymium. InCrookes of England made systematic studies on eye protective glasses and found cerium excellent for ultra violet absorption without giving color.

The first use of lanthanum in optical glasses. Stair, R.,“Spectral-Transmissive Properties and Use of Eye-Protective Glasses,” National Bureau of Standards CircularU.S. Department of Commerce, National Bureau of Standards, Washington, DC.

Google Scholar. Spectra Design SP Eyeglasses Frames 35% off Authentic Spectra Design glasses frames, 50% off Lenses, Free Shipping. Highest Quality Lenses, A+ BBB rating sinceSatisfaction Guaranteed.

Background The issue Spectrum faced is how the CEO or Director of Product Innovation could most effectively influence and convince other managers/employees at Spectrum to adopt the development of an environmentally sustainable product line This change was necessitated by customer.

As infrared radiation may enhance photochemical light damage of the retina, filtration of infrared radiation is also desirable. Finally, since the eye must focus incident light on the retina, the brightness (radiance) of a source plays an important role in determining the degree of hazard of a light by:   The eye protection chosen for specific work situations depends upon the circumstances of exposure, other PPE used, and personal vision needs.

There is wide variety in the types of protective eyewear, and appropriate selection should be based on a number of factors, the most important of which is the nature and extent of the hazard.

Introduction Summary The sending of a signal, picture, or other information from a transmitter. Thank you for your attention. Transmissive: Refraction: The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different.

Using a mercury vapour quartz lamp as a source of radiation, the ultra-violet transmission of a number of substances was measured with a quartz spectroradiometer and bismuth-silver thermopile.

Comparative data are given to show the ultra-violet transmission curves of certain tinted glasses. These glasses absorb only part of the ultra-violet radiation, and it is remarked that the human eye is Author: W. Coblentz, R. Stair.

Vol NBS Circular Circular of the Bureau of Standards no. Spectral-transmissive properties and use of colored eye-protective glasses Jun 1, 06/38 by Coblentz, W. W.; Stair, R. Clark, Color in Sunglass Lenses, American Journal of Optometry and Archives of American Academy of Optometry, pp.

Coblentz et al., Spectrial-Transimissive Properties and Use of Colored Eye-Protective Glasses, Circular of the National Bureau of Cited by: T H E TRANSMISSIVE PROPERTIES OF T I N T E D LENSES W. COBLENTZ W A S H I N G T O N, D.C. The essential facts of the tinted-lens question are given and the subject clarified and simplified so that the ophthalmologist may know what tinted lenses can and cannot do, in transmitting : W.W.

Coblentz. Sensitivity and magnetic shielding tests of a Thomson galvanometer for use in radiometry: Some optical properties of iodine: The spectral erythemic reaction of the untanned human skin to ultra-voilet radiation. Spectral-transmissive properties and use of colored eye-protective glasses Spectrophotoelectric sensitivity of thalofide.

Excerpt from The Spectral Transmissive Properties of Dyes: 1. Seven Permitted Food Dyes, in the Visible, Ultra-Violet, and Near Infra-Red T here already exists a very voluminous literature on this sub ject extepding over a long period of years, but the work has been largely qualitative or Only crudely quantitative.

Moreover, : K. Gibson. Safety Goggles & Glasses. NoCry Safety Glasses with Clear Anti Fog Scratch Resistant Wrap-Around Lenses and No-Slip Grips, UV Protection. NoCry Safety Glasses with Clear Anti Fog Scratch Resistant Wrap-Around Lenses and No-Slip Grips, UV Protection.

A lens that transmits light expressing a transmission curve which has a low cut-in wavelength in the vicinity of nm, rising gradually in terms of percentage of light transmitted, to a maximum in the vicinity of nm and then descending in equal manner, in terms of wavelength and percentage of light transmitted, to a high wavelength cut-off in the vicinity of nm, and method of Cited by: The optical absorption in iron boracites Me3B7O13X, where Me = Fe2+ and × = Cl, Br, I, and also in cubic RbFeFe3 has been studied in the spectral range to 25 μm from 77 to °K.Optic coatings & spectral transmission.

A high translucence is important for modern imaging lenses. Due to small camera pixels, a lot of light is needed. Many C-mount lenses comply with this trend having fast F-stops like f/ or f/ However, a high spectral transmission of the lens is also important.

Optic coatings - reflection avoidance.