Dredging_technique_schematic.png
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- Description: Examples of dredging equipment, a dredge for canal works and a dredger.
- Source: Fröléens konversationslexikon vol. II, p. 780-781 (Stockholm 1914)
Public domain Public domain false false |
English:
This image comes from the Swedish encyclopedia
Fröléens konversationslexikon
(1910–1914). The
copyrights
for that book have expired and this image is in the Public Domain. That is because images had no named authors and the book was published more than 70 years ago.
Svenska:
Denna bild kommer från
Fröléens konversationslexikon
(1910–1914). Upphovsrätten för det verket har gått ut, och bilderna är fria att använda.
Deutsch:
Dieses Bild stammt aus
Fröléens konversationslexikon
(1910–1914). Das Werk ist gemeinfrei.
|
Public domain Public domain false false |
This work was published before January 1, 1929 and it is anonymous or pseudonymous due to unknown authorship. It is in the
public domain
in the United States as well as countries and areas where the
copyright terms of anonymous or pseudonymous works
are
95 years or fewer since publication
.
|