«CROOKES LENS» संबंधित इंग्रजी पुस्तके
खालील ग्रंथसूची निवडीमध्ये
Crookes lens चा वापर शोधा. इंग्रजी साहित्यामध्ये वापराचा संदर्भ देण्यासाठी
Crookes lens शी संबंधित पुस्तके आणि त्याचे थोडक्यात उतारे.
1
William
Crookes (1832-1919) and the Commercialization of Science
This loss of trade actually gave a fillip to Chance's British trade, and an
advertising campaign, in which a bearded Crookes figured prominently,
promoted the sale of Crookes' lens spectacles. A happy accident 18 Royal
Society conversazione ...
William Hodson Brock, 2008
2
The Code of Federal Regulations of the United States of ...
For purposes of the rules in this part a "Crookes" lens is defined as a nearly
neutral colored ultra-violet absorption glass which contains sufficient crude
cerium and/or rare earths to reduce the ultra-violet transmission at a thickness of
2.0 mm. to ...
(b) Definition: For purposes of thi part a "Crookes" lens is defined as i nearly
neutral colored ultra-violet absorption glass which contains sufficien crude
cerium and/or other rare earths fa reduce the ultra-violet transmission ftl a
thickness of 2.0 ...
4
Book Of The Zodiac: You And Your Star
Sir William Crookes (17th June born,) the great English scientist and inventor of
the "Crookes Lens," was for years much interested in my work. During the time he
was investigating spiritualism, he had me with him on many occasions at his ...
... $1 50* 50* 50* 50* Schnoz with Shell Classes Toilet Water, fancy bottle Pen
Knife, nickel plate Nylon Toothbrush, individually boxed Sun Classes, Crookes
lens, shell frame Figurines, wonderful selection Writing Portfolio, env., paper, etc.
6
Physical, Biological, and Administrative Problems Associated ...
One formulation for the very popular Crookes lens, which is a light shade of gray,
contains 0.23 per cent UaOg, and therefore delivers the equivalent of about 1 mr/
hr, or about 10mr if these glasses are worn for 12 hours per day. No opthalmic ...
Robley Dunglison Evans, 1951
7
A Dance with the Dragon: The Vanished World of Peking's ...
I put on my Crookes' lens sunglasses and sat tensely at the window looking at the
moonlight outside.45 Displaying considerable courage, she escaped that night
from the Sian Guest House and with the help of an American businessman ...
aid in eye diagnosis, put on blue glasses for further shielding, pull down a green
shade over the eyes, put on glasses, and when the ordinary glasses fail to relieve
, we get the famous Crookes lens which again guarantees that all the ultra violet
...
Harriet L. McCollum, 1996
6<V Plastic Compacts with Makeup (At Comedy Nose with Shell Glasses $1
Toilet Water in fancy bottles 35* Nylon Toothbrush, window boxed 49< Sun
Glasses — Crookes Lens 5<k Figurines, wonderful assortment 50* Writing
Portfolio w.
10
The Optical Journal and Review of Optometry. ...
The Genuine VVellsworth Crookes lens not only excludes the tiring and harmful
Ultra-Violet rays, but does it without dimming or altering the relation of the other
colors in the spectrum. In the lighter shades the VVellsworth Crookes glass is ...
