๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

ULTRA VIOLET RAYS; THEIR ADVANTAGES AND DISADVANTAGES IN THE PURIFICATION OF DRINKING WATER

โœ Scribed by R. R. Spencer


Book ID
123809287
Publisher
Wiley (John Wiley & Sons)
Year
1917
Tongue
English
Weight
859 KB
Volume
4
Category
Article
ISSN
2164-4535

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


The ultra-violet rays and their applicat
โœ M. von Recklinghausen ๐Ÿ“‚ Article ๐Ÿ“… 1914 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 866 KB

WE have seen within the last years the creation of a new industry,-namely, the application of ultra-violet rays for the biologic purification of water. I think it of interest to lay before you the basis on which this industry is founded . Almost every source of light produces with the visible rays

A powerful lamp for ultra-violet rays an
๐Ÿ“‚ Article ๐Ÿ“… 1913 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 62 KB

Bull. 53o-K.)--Vanadium occurs at Placerville, Col., disseminated in a dull green sandstone along seams or in veins containing roscoelite, quartz, and pyrite. Carnotite appears as a lining on the joint surfaces. A sandstone of lighter green color owed its color to mariposite, a chromium mica. Near G