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extralight/about this site/ present

implementation
The thumbnail- and image pages of this site are generated with IrfanView. The text part and the navigation of the site are constructed with "Studio Webdsign 2" from Easy Computing. The presentation is optimised for a screen resolution of 800x600 pixels and the site had been tested for PC with Microsoft Internet Explorer 8.0 and Mozilla Firefox 9.0.

most significant and most recent releases

month/year

version

modification

10/2005

v1.1

First publication in Dutch.

12/2006

v2.4

Translation into English completed.

12/2008

v3.4

infrared- and ultraviolet-emission added. electrical circuits added.

02/2009

v3.6

healing radiation added. health extended.

03/2011

v3.23

Philips history and  Philips brand-names added.

04/2011

v3.24

Heraeus history added.

05/2011

v3.25

Sperti history added.

05/2012

v3.30

Hyperlinks and sun gallery updated.

translation
I finally succeeded in translating this site from Dutch into English and I hope the result is not too bad. Any help in eliminating some clumsy mistakes from a non-native speaker will be welcomed so if you have any ambition to revise whatever part of the text do not hesitate to contact me. Your help will be appreciated.

sponsoring
This site is about backgrounds and history of products in an industrial area where further developments still take place. This site offers no product comparison or recommendation though and is primary focussed on products that are no longer manufactured. For completeness links to still existing manufacturers are included but none of them is sponsored.....yet.

© copyright 2005-2012 - extralight.info
v3.30

credits
My special thanks go out to my sun who took the burden to review and test this site. As compensation I included an image of his favourite rodent although he claims that it is not a rodent at all. It should be a member of the hare family 'Lagomorpha' but for me it makes little difference concerning the damage it once did to one of the masterpieces of my collection.

*) Unfortunately acknowledgements for the listed images are not always accurate. A lot of images had already been collected before the idea arose to build a site around it and also for a lot of the more recent images the author stays unknown to me. When you discover an images that you think needs to be acknowledged you can send me an e-mail and I will add an acknowledgement when appropriate. No, I will not pay any royalties. I rather prefer to return your image if required so.  Incorporation of articles and images from this site is permitted with proper acknowledgements.

acknowledgements

1.

De electriciteit (voortbrenging en hare toepassing in de industrie en het maatschappelijk verkeer); P. van Capelle, naar het Duits van Arthur Wilke; Uitgeverij A.W. Sijthoff, Leiden, derde druk, 1898.

2.

Die Künstliche Höhensonne (Quarzlampe) in der Medizin; Dr. Karl Wagner; Verlag der Deutschen Vereins-Druckerei und Verlagsanstalt, Graz, dritte Auflage, 1917.

3.

De praktijk der ziekenverpleging; Zr. H.A. Melk; Uitgeverij G. Naeff, Den Haag, 1931.

4.

Bestrahlung mit Quarzlampe "Künstliche Höhensonne"; Dr. Hugo Bach; Verlag von Curt Kabitzsch, Leipzig, 23e Auflage, 1931.

5.

The Curative Value of Light: Sunlight and Sun Lamp in Health and Disease; Edgar Mayer, M.D., F.A.C.P.; D. Appleton and Company, New York, 1932, Reprinted by Kessinger Publishing; ISBN 1-4179-8047-8.

6.

Fluorescentieverlichting (een overzicht van de wetenschappelijk-technische grondslagen en toepassingen van de fluorescentielampen en hun accessoires; Onder redactie van prof. Dr. C. Zwikker; Philips' technische bibliotheek; Uitgeverij Meulenhoff & Co. Amsterdam, 1950.

7.

Infrared and its thermal applications; M. la Toison; Philips technical library, Eindhoven, 1964.

8.

Primer of Lamps and Lightning; Willard Allphin, P.E.; Addison-Wesley Publishing Company, third edition 1973; ISBN 0-201-00170-5.

9.

Stroom, de geschiedenis van een blijvend wonder; Aad van der Mijn; Meijer Pers BV, Amsterdam, 1978; ISBN 90 6201 2310.

10.

Nederlands leerboek der fysische therapie in engere zin, deel II; H.C.F. van Zutphen, H.W.R. van Sambeek, P. Pols, prof. dr. J.A. Bernards en ir. P.P.Th.G. van Rens; Wetenschappelijke uitgeverij Bunge, Utrecht, 1987; ISBN 90 6348 0946.

11.

IR Radiators and Applications; Philips Lighting B.V., Eindhoven, 1988; PN3222.631.00231

12.

The sun and your skin; Professor Ronald Marks; Macdonald & Co. Ltd., London, 1988; ISBN 0-356-14740-1.

13.

Philips Honderd; G. Bekooy; Europese Bibliotheek, Zaltbommel, 1991; ISBN 902885150x/CIP.

14.

History of light and lightning; Gerard W. Stoer; Philips Lighting B.V., Eindhoven, 1998; PN3222.635.08461

15.

The Museum of Historic Discharge Lamps; www.lamptech.co.uk

16.

Kunst in de Philips-reclame; philipsreclamekunst.franswilbrink.nl

17.

Dr. J.B. Calvert, Associate Professor Emeritus of Engineering, University of Denver; www.du.edu/~jcalvert

18.

WikipediA, the free encyclopedia; en.wikipedia.org

19.

Wikimedia Commons; commons.wikimedia.org

20.

The World Wide Web *)