home *** CD-ROM | disk | FTP | other *** search

---

/ GeoSafari History (Platinum Edition) / GeoSafari History Platinum Edition (EI-9007 Version 3.0)(Educational Insights)(2000).iso / mac / GlosPics / H02 / HGL0206.PIC (.png)

< prev

next >

Macintosh Picture Format  |  1997-02-28  |  42KB  |  432x324  |  8-bit (106 colors)

Labels: dialog box | earth | hakham | paper | sky
OCR: Helicopter About th: Helicopter Believe + or nat Leonarda da Vinci sketched design for helicopter-like aircraft with a rata ting wing ir the 15th jAnquas But wasn't until 1939 that the first practical helicopter was built Russian- American Igar Sikorsky And wasn't until the Korean and Vietnarm conflicts that helicopters became important arma aments of modern warfare The urique capal ibilities af military helicop ters proved perfect for air-sea rescues, troap and evacuation, patrolling and combat Leonardo airrafi rotating

---