Image: Bell HD-4

Description: Bell HD-4 Hydrofoil
Title: Bell HD-4
Credit: www.pc.gc.ca/.../natcul/ natcul2b_e.asp?photo=7
Author: Government of Canada employee
Permission: This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following: 1. it was subject to Crown copyright and was first published more than 50 years ago, or it was not subject to Crown copyright, and 2. it is a photograph that was created prior to January 1, 1949, or 3. the creator died more than 50 years ago. čeština | Deutsch | English | español | suomi | français | italiano | 日本語 | македонски | Nederlands | português | +/− - for Crown Copyright images first published over 50 years ago, photographs created before 1949 and other works where the author has been dead for over 50 years.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No