File:CH192864, page 6.png

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Pradinė rinkmena ‎(445 × 835 taškų, rinkmenos dydis: 45 KiB, MIME tipas: image/png)

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Aprašymas[keisti]

Aprašymas
English: Pigeon camera, patent drawing of invention by Christian Adrian Michel.
Data
Šaltinis Swiss patent CH192864
Autorius Unknown who drew it, Christian Adrian Michel (1912-1980) was the patent applicant

Licencija[keisti]

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.

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Data/LaikasMiniatiūraMatmenysNaudotojasPaaiškinimas
dabartinis14:54, 22 liepos 2009Versijos 14:54, 22 liepos 2009 miniatiūra445 × 835 (45 KiB)Hans Adler (aptarimas | indėlis){{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

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