File:CH192864, page 6.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file ‎(445 × 835 pixels, file size: 45 KB, MIME type: image/png)

Summary

Description
English: Pigeon camera, patent drawing of invention by Christian Adrian Michel.
Date
Source Swiss patent CH192864
Author Unknown who drew it, Christian Adrian Michel (1912-1980) was the patent applicant

Licensing

Public domain
This image is from or of:
  • a law, ordinance, international treaty or other official act
  • a decision, protocol or report by public authorities
  • a means of payment
  • a patent or patent application
of Switzerland or the Swiss cantons. It is therefore not protected by copyright by virtue of Art. 5 of the Swiss Copyright Act.

čeština ∙ Deutsch ∙ English ∙ français ∙ italiano ∙ 日本語 ∙ македонски ∙ русский ∙ sicilianu ∙ українська ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

MIME type

image/png

checksum

3c6d12e7eb53c8320ea4bf36dcf58eeeb8313cc9

determination method: SHA-1

data size

46,288 byte

height

835 pixel

width

445 pixel

File history

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

Date/TimeThumbnailDimensionsUserComment
current14:54, 22 July 2009Thumbnail for version as of 14:54, 22 July 2009445 × 835 (45 KB)Hans Adler{{Information |Description={{en|1=Pigeon camera, patent drawing of invention by Christian Adrian Michel.}} |Source=Swiss patent CH192864 |Author=Unknown who drew it, Christian Adrian Michel (1912-1980) was the patent applicant |Date=1937-12-01 |Permission
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:

Retrieved from "https://en.wikipedia.org/wiki/File:CH192864,_page_6.png"