File:Ocenaskovy Raketove Pokusy BW.jpg
Size of this preview: 800 × 553 pixels. Other resolutions: 320 × 221 pixels | 640 × 442 pixels | 1,024 × 707 pixels | 1,280 × 884 pixels | 2,560 × 1,768 pixels | 3,909 × 2,700 pixels.
Original file (3,909 × 2,700 pixels, file size: 3.79 MB, MIME type: image/jpeg)
Captions
Captions
Očenášek's experiments with solid fuel rockets in 1930.
Summary
edit
| Description |
Čeština: Očenáškovy pokusy s raketami na tuhé palivo v roce 1930.
English: Očenášek's experiments with solid fuel rockets in 1930. |
| Date | year 1930 |
| Source |
|
| Author |
|
Licensing
edit
|
This image (or other media file) is in the public domain because its copyright has expired and its author is anonymous.
This applies to the European Union and those countries with a copyright term of 70 years after the work was made available to the public and the author never disclosed their identity. Important: Always mention where the image comes from, as far as possible, and make sure the author never claimed authorship.  Note: In Germany and possibly other countries, certain anonymous works published before July 1, 1995 are copyrighted until 70 years after the death of the author. See Übergangsrecht. Please use this template only if the author never claimed authorship or their authorship never became public in any other way. If the work is anonymous or pseudonymous (e.g., published only under a corporate or organization's name), use this template for images published more than 70 years ago.
For a work made available to the public in the United Kingdom, please use Template:PD-UK-unknown instead.
|
|
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:25, 4 October 2022 | | 3,909 × 2,700 (3.79 MB) | Mojmir Churavy (talk | contribs) | Uploaded a work by * CZ: Autorem této fotografie je neznámá osoba. * EN: Author of this photo is unknown person. * {{Unknown photographer |1= }} from * CZ: Fotografický archiv potomků Ludvíka Očenáška * EN: Photographic archive of Ludvík Očenášek's descendants * CZ: Archivní fotografie z depozitáře Archivu Národního muzea, Česká republika * EN: Archival photo from the National Museum Archives, Czech Republic with UploadWizard |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on cs.wikipedia.org
