File:Reflecting circle-CnAM 1842-IMG 4998-gradient.jpg

Original file ‎(5,500 × 5,500 pixels, file size: 2.65 MB, MIME type: image/jpeg)

Object

Étienne Lenoir: Reflecting circle - CnAM 1842

Artist

Étienne Lenoir (1744–1832)
Alternative names	Etienne Lenoir (instrument maker); Etienne Lenoir
Description	French engineer
Date of birth/death	1 March 1744	18 August 1832
Location of birth/death	Mer	Paris
Authority file	: Q289837 VIAF: 32779117 ISNI: 0000000043462900 LCCN: no2003062894 GND: 117639826 SUDOC: 073932256 WorldCat

Title

Reflecting circle - CnAM 1842

Object type

reflecting circle

Date

1775

Medium

silver, brass and glass

Dimensions

length: 56 cm (22 in)

; height: 63 cm (24.8 in)

; width: 40 cm (15.7 in)

; diameter: 20.5 cm (8 in)

; mass: 3.5 kg (123.4 oz)

Collection

Conservatoire national des Arts et Métiers

	Parent institution	HESAM University
	Location	Paris , France
	Coordinates	48° 52′ 01″ N, 2° 21′ 16″ E
	Established	10 October 1794
	Website	www.cnam.eu/site-en
	Authority file	: Q524289 VIAF: 151143134 ISNI: 000000012185090X ULAN: 500257276 LCCN: n50055168 GND: 1017182-4 WorldCat

Accession number

01842-0000- (Conservatoire national des Arts et Métiers)

References

Cercle à réflexion de Borda (French)

Photograph

Date

Taken on 27 May 2018, 12:40 (according to Exif data)

Source

Own work

Author

Rama

Permission
(Reusing this file)

I, the copyright holder of this work, hereby publish it under the following licenses:

This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 France license.

Attribution: Rama

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

This file is licensed under the Creative Commons Attribution-Share Alike 2.0 France license.

Attribution: Rama

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

This work is free software; you can redistribute it or modify it under the terms of the CeCILL. The terms of the CeCILL license are available at www.cecill.info.

You may select the license of your choice.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:59, 22 June 2018		5,500 × 5,500 (2.65 MB)	Rama	== {{int:filedesc}} == {{Object photo \|object = Repeating circle-CnAM 1842 \|detail = \|description = \|source = {{own}} \|author = {{u\|Rama}} \|permission = {{self\|Cc-by-sa-3.0-fr\|Cc-by-sa-2.0-fr\|CeCILL\|attribution=Rama}} \|date = }} Category:Repeating circle-CnAM 1842

File usage

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

Global file usage

The following other wikis use this file:

Usage on ar.wikipedia.org
- تاريخ المتر
Usage on es.wikipedia.org
- Historia del metro (unidad de medida)
- Étienne Lenoir (constructor de instrumentos)
Usage on fr.wikipedia.org
- Étienne Lenoir (technicien scientifique)
Usage on www.wikidata.org
- Q55140717

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon EOS 5D Mark II
Exposure time	1/20 sec (0.05)
F-number	f/16
ISO speed rating	2,500
Date and time of data generation	12:40, 27 May 2018
Lens focal length	105 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
File change date and time	17:55, 22 June 2018
Y and C positioning	Co-sited
Exposure Program	Shutter priority
Exif version	2.21
Date and time of digitizing	12:40, 27 May 2018
Meaning of each component	Y Cb Cr does not exist
Shutter speed	4.375
APEX aperture	8
Exposure bias	−0.66666666666667
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	91
DateTimeOriginal subseconds	91
DateTimeDigitized subseconds	91
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	3,849.2117888965
Focal plane Y resolution	3,908.1419624217
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
GPS tag version	0.0.2.2
Image width	5,616 px
Image height	3,744 px

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File:Reflecting circle-CnAM 1842-IMG 4998-gradient.jpg

Object

Photograph

Captions

Items portrayed in this file

depicts

Reflecting circle - CnAM 1842

digital representation of

Reflecting circle - CnAM 1842

copyright status

copyrighted

copyright license

CeCILL

Creative Commons Attribution-ShareAlike 3.0 France

Creative Commons Attribution-ShareAlike 2.0 France

captured with

Canon EOS 5D Mark II

source of file

original creation by uploader

main subject

Reflecting circle - CnAM 1842

File history

File usage

Global file usage

Metadata