- 38 pages
- The Effect of Certain Light Rays Upon Weighted and Unweighted Silk Fabrics
- Golda Pearle Haas
- 08 October 2018 Golda Pearle Haas
Excerpt From The Effect Of Certain Light Rays Upon Weighted And Unweighted Silk Fabrics A ThesisThe Deterioration Of Fabrics By Light Did Not Attract Much Attention Until The Beginning Of The Worldhwar With The Advent Of The Airplane And Airship Some Means Had Tolbe Devised To Protect The Lightweight Materials Used In Their Construction From The Action Of Light Since Then A Number Of Investigations Have Been Made To Determine The Amount Of Deterioration Caused By Light Rays Light Was Found To Be Theamost Important Factor Causing The Weakening Of Airplane Fabrics Turner, Dorse 1917 Attributes This De Structive Quality Of Sunlight To The Presence Of Ultra Violet Rays, Acting Alone Or In Conjunction With Ozone Pro Duced During Radiation Other Authorities Are Of The Opinion That Ozone Which Is Developed Acts Strongly Upon The Fibers In The Presence Of Moisture According To Johnson Beerman Believed That The Deterioration Was Due To The Action Of Ultra Violet Rays Alone.About The PublisherForgotten Books Publishes Hundreds Of Thousands Of Rare And Classic Books Find At Www.forgottenbooks.comThis Book Is A Reproduction Of An Important Historical Work Forgotten Books Uses State Of The Art Technology To Digitally Reconstruct The Work, Preserving The Original Format Whilst Repairing Imperfections Present In The Aged Copy In Rare Cases, An Imperfection In The Original, Such As A Blemish Or Missing Page, May Be Replicated In Our Edition We Do, However, Repair The Vast Majority Of Imperfections Successfully Any Imperfections That Remain Are Intentionally Left To Preserve The State Of Such Historical Works.