File:Semi resonant start circuit.png

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Summary

Description

English: Wiring circuit of a semi-resonant fluorescent lamp circuit

Source

Thorn Electrical Industries 1972 lighting catalogue

Current electronic source: www.streetlightonline.co.uk

Author

Thorn Electrical Industries, Limited

Permission
(Reusing this file)

This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:46, 10 May 2024		1,048 × 739 (51 KB)	Obscure2020	After I found a new PDF source for this graphic, I used pdfimages on the command line to extract the bitmap data. Imported that into GIMP, where I rotated straight and cropped it. Then optimized with OxiPNG and ZopfliPNG for good measure.
	19:34, 18 May 2010		365 × 245 (62 KB)	ELIOT2000	{{Information \|Description={{en\|1=Wiring circuit of a semi-resonant fluorescent lamp circuit}} \|Source=Thorn Electrical Industries 1972 lighting catalogue \|Author=Thorn Electrical Industries, Limited \|Date= \|Permission= \|other_versions= }}

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Fluorescent lamp